74772412 has 48 divisors (see below), whose sum is σ = 157927392. Its totient is φ = 30516480.

The previous prime is 74772407. The next prime is 74772427. The reversal of 74772412 is 21427747.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 19398 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (3290154).

Almost surely, 2^74772412 is an apocalyptic number.

It is an amenable number.

74772412 is an abundant number, since it is smaller than the sum of its proper divisors (83154980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74772412 is a wasteful number, since it uses less digits than its factorization.

74772412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3596 counting only the distinct ones).

The product of its digits is 21952, while the sum is 34.

The square root of 74772412 is about 8647.1042551828. The cubic root of 74772412 is about 421.2893334409.

It can be divided in two parts, 7477 and 2412, that added together give a palindrome (9889).

The spelling of 74772412 in words is "seventy-four million, seven hundred seventy-two thousand, four hundred twelve".