72630787 has 8 divisors (see below), whose sum is σ = 77243600. Its totient is φ = 68097024.

The previous prime is 72630781. The next prime is 72630793. The reversal of 72630787 is 78703627.

It is an interprime number because it is at equal distance from previous prime (72630781) and next prime (72630793).

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 72630787 - 2⁷ = 72630659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72630781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17862 + ... + 21547.

It is an arithmetic number, because the mean of its divisors is an integer number (9655450).

Almost surely, 2^72630787 is an apocalyptic number.

72630787 is a deficient number, since it is larger than the sum of its proper divisors (4612813).

72630787 is a wasteful number, since it uses less digits than its factorization.

72630787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39525.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 72630787 is about 8522.3697995335. The cubic root of 72630787 is about 417.2281318943.

It can be divided in two parts, 726 and 30787, that added together give a palindrome (31513).

The spelling of 72630787 in words is "seventy-two million, six hundred thirty thousand, seven hundred eighty-seven".