74775070 has 64 divisors (see below), whose sum is σ = 150543360. Its totient is φ = 26611200.

The previous prime is 74775067. The next prime is 74775083. The reversal of 74775070 is 7057747.

It is a super-2 number, since 2×74775070² = 11182622187009800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310150 + ... + 310390.

It is an arithmetic number, because the mean of its divisors is an integer number (2352240).

Almost surely, 2^74775070 is an apocalyptic number.

74775070 is an abundant number, since it is smaller than the sum of its proper divisors (75768290).

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

74775070 is a wasteful number, since it uses less digits than its factorization.

74775070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 48020, while the sum is 37.

The square root of 74775070 is about 8647.2579468870. The cubic root of 74775070 is about 421.2943253613.

The spelling of 74775070 in words is "seventy-four million, seven hundred seventy-five thousand, seventy".