72630626 has 8 divisors (see below), whose sum is σ = 110732124. Its totient is φ = 35719920.

The previous prime is 72630611. The next prime is 72630641. The reversal of 72630626 is 62603627.

It is an interprime number because it is at equal distance from previous prime (72630611) and next prime (72630641).

It can be written as a sum of positive squares in 2 ways, for example, as 64818601 + 7812025 = 8051^2 + 2795^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72630592 and 72630601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297545 + ... + 297788.

Almost surely, 2^72630626 is an apocalyptic number.

72630626 is a deficient number, since it is larger than the sum of its proper divisors (38101498).

72630626 is a wasteful number, since it uses less digits than its factorization.

72630626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595396.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 72630626 is about 8522.3603537987. The cubic root of 72630626 is about 417.2278236054.

The spelling of 72630626 in words is "seventy-two million, six hundred thirty thousand, six hundred twenty-six".