72376357 has 4 divisors (see below), whose sum is σ = 74141676. Its totient is φ = 70611040.

The previous prime is 72376319. The next prime is 72376363. The reversal of 72376357 is 75367327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27029601 + 45346756 = 5199^2 + 6734^2 .

It is a cyclic number.

It is not a de Polignac number, because 72376357 - 2¹⁵ = 72343589 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72376307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882598 + ... + 882679.

It is an arithmetic number, because the mean of its divisors is an integer number (18535419).

Almost surely, 2^72376357 is an apocalyptic number.

It is an amenable number.

72376357 is a deficient number, since it is larger than the sum of its proper divisors (1765319).

72376357 is a wasteful number, since it uses less digits than its factorization.

72376357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765318.

The product of its digits is 185220, while the sum is 40.

The square root of 72376357 is about 8507.4295177803. The cubic root of 72376357 is about 416.7403701797.

The spelling of 72376357 in words is "seventy-two million, three hundred seventy-six thousand, three hundred fifty-seven".