74725497 has 40 divisors (see below), whose sum is σ = 139182912. Its totient is φ = 38815200.

The previous prime is 74725477. The next prime is 74725507. The reversal of 74725497 is 79452747.

It is not a de Polignac number, because 74725497 - 2⁶ = 74725433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74725457) 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 39 ways as a sum of consecutive naturals, for example, 247 + ... + 12227.

Almost surely, 2^74725497 is an apocalyptic number.

74725497 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

74725497 is a deficient number, since it is larger than the sum of its proper divisors (64457415).

74725497 is a wasteful number, since it uses less digits than its factorization.

74725497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011 (or 12002 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 74725497 is about 8644.3910716719. The cubic root of 74725497 is about 421.2012041264.

It can be divided in two parts, 747 and 25497, that added together give a square (26244 = 162²).

The spelling of 74725497 in words is "seventy-four million, seven hundred twenty-five thousand, four hundred ninety-seven".