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74669028 = 2237888917
BaseRepresentation
bin1000111001101…
…01101111100100
312012111120122120
410130311233210
5123103402103
611224225540
71564450650
oct434655744
9165446576
1074669028
113916aa45
122100b2b0
1312614a75
149cb9a60
15684e253
hex4735be4

74669028 has 24 divisors (see below), whose sum is σ = 199117632. Its totient is φ = 21333984.

The previous prime is 74669011. The next prime is 74669029. The reversal of 74669028 is 82096647.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (74669029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444375 + ... + 444542.

It is an arithmetic number, because the mean of its divisors is an integer number (8296568).

Almost surely, 274669028 is an apocalyptic number.

It is an amenable number.

74669028 is an abundant number, since it is smaller than the sum of its proper divisors (124448604).

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

74669028 is a wasteful number, since it uses less digits than its factorization.

74669028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888931 (or 888929 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 74669028 is about 8641.1242324133. The cubic root of 74669028 is about 421.0950787941.

The spelling of 74669028 in words is "seventy-four million, six hundred sixty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 888917 1777834 2666751 3555668 5333502 6222419 10667004 12444838 18667257 24889676 37334514 74669028