73976765 has 8 divisors (see below), whose sum is σ = 88835640. Its totient is φ = 59139072.

The previous prime is 73976753. The next prime is 73976779. The reversal of 73976765 is 56767937.

It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 73650724 = 571^2 + 8582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73976765 - 2⁶ = 73976701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (11104455).

Almost surely, 2^73976765 is an apocalyptic number.

It is an amenable number.

73976765 is a deficient number, since it is larger than the sum of its proper divisors (14858875).

73976765 is a wasteful number, since it uses less digits than its factorization.

73976765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591.

The product of its digits is 1666980, while the sum is 50.

The square root of 73976765 is about 8600.9746540726. The cubic root of 73976765 is about 419.7897000840.

The spelling of 73976765 in words is "seventy-three million, nine hundred seventy-six thousand, seven hundred sixty-five".