72630770 has 32 divisors (see below), whose sum is σ = 133747200. Its totient is φ = 28389376.

The previous prime is 72630769. The next prime is 72630773. The reversal of 72630770 is 7703627.

It is not an unprimeable number, because it can be changed into a prime (72630773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151391 + ... + 151869.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^72630770 is an apocalyptic number.

72630770 is a deficient number, since it is larger than the sum of its proper divisors (61116430).

72630770 is a wasteful number, since it uses less digits than its factorization.

72630770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 72630770 is about 8522.3688021582. The cubic root of 72630770 is about 417.2280993420.

The spelling of 72630770 in words is "seventy-two million, six hundred thirty thousand, seven hundred seventy".