74999028 has 96 divisors (see below), whose sum is σ = 197116416. Its totient is φ = 22044672.

The previous prime is 74999011. The next prime is 74999033. The reversal of 74999028 is 82099947.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 388500 + ... + 388692.

It is an arithmetic number, because the mean of its divisors is an integer number (2053296).

Almost surely, 2^74999028 is an apocalyptic number.

74999028 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74999028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98558208).

74999028 is an abundant number, since it is smaller than the sum of its proper divisors (122117388).

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

74999028 is a wasteful number, since it uses less digits than its factorization.

74999028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 74999028 is about 8660.1979192164. The cubic root of 74999028 is about 421.7145108284.

The spelling of 74999028 in words is "seventy-four million, nine hundred ninety-nine thousand, twenty-eight".