73774992 has 40 divisors (see below), whose sum is σ = 191130624. Its totient is φ = 24521344.

The previous prime is 73774991. The next prime is 73774997. The reversal of 73774992 is 29947737.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (73774991) 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 7 ways as a sum of consecutive naturals, for example, 16378 + ... + 20390.

Almost surely, 2^73774992 is an apocalyptic number.

It is an amenable number.

73774992 is an abundant number, since it is smaller than the sum of its proper divisors (117355632).

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

73774992 is a wasteful number, since it uses less digits than its factorization.

73774992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407 (or 4401 counting only the distinct ones).

The product of its digits is 666792, while the sum is 48.

The square root of 73774992 is about 8589.2369859028. The cubic root of 73774992 is about 419.4076911608.

The spelling of 73774992 in words is "seventy-three million, seven hundred seventy-four thousand, nine hundred ninety-two".