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74665116 = 22322074031
BaseRepresentation
bin1000111001101…
…00110010011100
312012111101021200
410130310302130
5123103240431
611224155500
71564433361
oct434646234
9165441250
1074665116
1139168009
1221008b90
1312613056
149cb8468
15684cee6
hex4734c9c

74665116 has 18 divisors (see below), whose sum is σ = 188736912. Its totient is φ = 24888360.

The previous prime is 74665103. The next prime is 74665177. The reversal of 74665116 is 61156647.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2074031 = 74665116 / (7 + 4 + 6 + 6 + 5 + 1 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036980 + ... + 1037051.

It is an arithmetic number, because the mean of its divisors is an integer number (10485384).

Almost surely, 274665116 is an apocalyptic number.

It is an amenable number.

74665116 is an abundant number, since it is smaller than the sum of its proper divisors (114071796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74665116 is a wasteful number, since it uses less digits than its factorization.

74665116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074041 (or 2074036 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 74665116 is about 8640.8978700133. The cubic root of 74665116 is about 421.0877247735.

The spelling of 74665116 in words is "seventy-four million, six hundred sixty-five thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 2074031 4148062 6222093 8296124 12444186 18666279 24888372 37332558 74665116