74704755 has 16 divisors (see below), whose sum is σ = 120199680. Its totient is φ = 39618528.

The previous prime is 74704741. The next prime is 74704757. The reversal of 74704755 is 55740747.

It is not a de Polignac number, because 74704755 - 2⁵ = 74704723 is a prime.

It is a super-2 number, since 2×74704755² = 11161600839220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74704757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11227 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (7512480).

Almost surely, 2^74704755 is an apocalyptic number.

74704755 is a deficient number, since it is larger than the sum of its proper divisors (45494925).

74704755 is a wasteful number, since it uses less digits than its factorization.

74704755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28010.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 74704755 is about 8643.1912509212. The cubic root of 74704755 is about 421.1622287467.

The spelling of 74704755 in words is "seventy-four million, seven hundred four thousand, seven hundred fifty-five".