74474985 has 32 divisors (see below), whose sum is σ = 128741760. Its totient is φ = 36546048.

The previous prime is 74474971. The next prime is 74474993. The reversal of 74474985 is 58947447.

It is not a de Polignac number, because 74474985 - 2¹⁰ = 74473961 is a prime.

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, 120006 + ... + 120624.

It is an arithmetic number, because the mean of its divisors is an integer number (4023180).

Almost surely, 2^74474985 is an apocalyptic number.

It is an amenable number.

74474985 is a deficient number, since it is larger than the sum of its proper divisors (54266775).

74474985 is a wasteful number, since it uses less digits than its factorization.

74474985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257.

The product of its digits is 1128960, while the sum is 48.

The square root of 74474985 is about 8629.8890491130. The cubic root of 74474985 is about 420.7299946463.

The spelling of 74474985 in words is "seventy-four million, four hundred seventy-four thousand, nine hundred eighty-five".