74566992 has 20 divisors (see below), whose sum is σ = 192631520. Its totient is φ = 24855648.

The previous prime is 74566939. The next prime is 74567023. The reversal of 74566992 is 29966547.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1553479 = 74566992 / (7 + 4 + 5 + 6 + 6 + 9 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776692 + ... + 776787.

It is an arithmetic number, because the mean of its divisors is an integer number (9631576).

Almost surely, 2^74566992 is an apocalyptic number.

It is an amenable number.

74566992 is an abundant number, since it is smaller than the sum of its proper divisors (118064528).

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

74566992 is a wasteful number, since it uses less digits than its factorization.

74566992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553490 (or 1553484 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 74566992 is about 8635.2181211594. The cubic root of 74566992 is about 420.9031810956.

The spelling of 74566992 in words is "seventy-four million, five hundred sixty-six thousand, nine hundred ninety-two".