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74708628 = 2236225719
BaseRepresentation
bin1000111001111…
…11011010010100
312012120120222020
410130333122110
5123111134003
611225133140
71565004261
oct434773224
9165516866
1074708628
1139197775
122102a1b0
1312629ab7
149cca268
15685ad53
hex473f694

74708628 has 12 divisors (see below), whose sum is σ = 174320160. Its totient is φ = 24902872.

The previous prime is 74708603. The next prime is 74708633. The reversal of 74708628 is 82680747.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 74708628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112848 + ... + 3112871.

It is an arithmetic number, because the mean of its divisors is an integer number (14526680).

Almost surely, 274708628 is an apocalyptic number.

It is an amenable number.

74708628 is an abundant number, since it is smaller than the sum of its proper divisors (99611532).

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

74708628 is a wasteful number, since it uses less digits than its factorization.

74708628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225726 (or 6225724 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 74708628 is about 8643.4152972075. The cubic root of 74708628 is about 421.1695068784.

The spelling of 74708628 in words is "seventy-four million, seven hundred eight thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 6225719 12451438 18677157 24902876 37354314 74708628