74372765 has 8 divisors (see below), whose sum is σ = 90470328. Its totient is φ = 58682880.

The previous prime is 74372741. The next prime is 74372801. The reversal of 74372765 is 56727347.

It can be written as a sum of positive squares in 4 ways, for example, as 1338649 + 73034116 = 1157^2 + 8546^2 .

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

It is not a de Polignac number, because 74372765 - 2²² = 70178461 is a prime.

It is a Duffinian number.

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, 101516 + ... + 102245.

It is an arithmetic number, because the mean of its divisors is an integer number (11308791).

Almost surely, 2^74372765 is an apocalyptic number.

It is an amenable number.

74372765 is a deficient number, since it is larger than the sum of its proper divisors (16097563).

74372765 is a wasteful number, since it uses less digits than its factorization.

74372765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203839.

The product of its digits is 246960, while the sum is 41.

The square root of 74372765 is about 8623.9645755302. The cubic root of 74372765 is about 420.5374167341.

The spelling of 74372765 in words is "seventy-four million, three hundred seventy-two thousand, seven hundred sixty-five".