720172010 has 64 divisors (see below), whose sum is σ = 1397001600. Its totient is φ = 266499072.

The previous prime is 720172007. The next prime is 720172027. The reversal of 720172010 is 10271027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1900001 + ... + 1900379.

It is an arithmetic number, because the mean of its divisors is an integer number (21828150).

Almost surely, 2^720172010 is an apocalyptic number.

720172010 is a deficient number, since it is larger than the sum of its proper divisors (676829590).

720172010 is a wasteful number, since it uses less digits than its factorization.

720172010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 720172010 is about 26836.0207556933. The cubic root of 720172010 is about 896.3523182978.

The spelling of 720172010 in words is "seven hundred twenty million, one hundred seventy-two thousand, ten".