74497285 has 16 divisors (see below), whose sum is σ = 92100096. Its totient is φ = 57814848.

The previous prime is 74497279. The next prime is 74497289. The reversal of 74497285 is 58279447.

It is a cyclic number.

It is not a de Polignac number, because 74497285 - 2¹⁵ = 74464517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74497289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32652 + ... + 34858.

It is an arithmetic number, because the mean of its divisors is an integer number (5756256).

Almost surely, 2^74497285 is an apocalyptic number.

It is an amenable number.

74497285 is a deficient number, since it is larger than the sum of its proper divisors (17602811).

74497285 is a wasteful number, since it uses less digits than its factorization.

74497285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its digits is 564480, while the sum is 46.

The square root of 74497285 is about 8631.1809736559. The cubic root of 74497285 is about 420.7719834322.

The spelling of 74497285 in words is "seventy-four million, four hundred ninety-seven thousand, two hundred eighty-five".