73897776 has 60 divisors (see below), whose sum is σ = 218983752. Its totient is φ = 23182848.

The previous prime is 73897753. The next prime is 73897787. The reversal of 73897776 is 67779837.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12646 + ... + 17541.

Almost surely, 2^73897776 is an apocalyptic number.

It is an amenable number.

73897776 is an abundant number, since it is smaller than the sum of its proper divisors (145085976).

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

73897776 is a wasteful number, since it uses less digits than its factorization.

73897776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218 (or 30209 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 73897776 is about 8596.3815643560. The cubic root of 73897776 is about 419.6402361389.

The spelling of 73897776 in words is "seventy-three million, eight hundred ninety-seven thousand, seven hundred seventy-six".