74892705 has 16 divisors (see below), whose sum is σ = 120502080. Its totient is φ = 39718208.

The previous prime is 74892679. The next prime is 74892709. The reversal of 74892705 is 50729847.

It is a cyclic number.

It is not a de Polignac number, because 74892705 - 2⁵ = 74892673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74892709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11262 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (7531380).

Almost surely, 2^74892705 is an apocalyptic number.

It is an amenable number.

74892705 is a deficient number, since it is larger than the sum of its proper divisors (45609375).

74892705 is a wasteful number, since it uses less digits than its factorization.

74892705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28080.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 74892705 is about 8654.0571410177. The cubic root of 74892705 is about 421.5151342137.

The spelling of 74892705 in words is "seventy-four million, eight hundred ninety-two thousand, seven hundred five".