74610972 has 18 divisors (see below), whose sum is σ = 188600048. Its totient is φ = 24870312.

The previous prime is 74610971. The next prime is 74610973. The reversal of 74610972 is 27901647.

It is a happy number.

74610972 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (74610971) and next prime (74610973).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2072527 = 74610972 / (7 + 4 + 6 + 1 + 0 + 9 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74610971) 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 5 ways as a sum of consecutive naturals, for example, 1036228 + ... + 1036299.

Almost surely, 2^74610972 is an apocalyptic number.

It is an amenable number.

74610972 is an abundant number, since it is smaller than the sum of its proper divisors (113989076).

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

74610972 is a wasteful number, since it uses less digits than its factorization.

74610972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072537 (or 2072532 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 74610972 is about 8637.7642940752. The cubic root of 74610972 is about 420.9859151277.

The spelling of 74610972 in words is "seventy-four million, six hundred ten thousand, nine hundred seventy-two".