672470720744 has 16 divisors (see below), whose sum is σ = 1260967464900. Its totient is φ = 336212730112.

The previous prime is 672470720731. The next prime is 672470720767. The reversal of 672470720744 is 447027074276.

It can be written as a sum of positive squares in 2 ways, for example, as 672298323844 + 172396900 = 819938^2 + 13130^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672470720692 and 672470720701.

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, 2702159 + ... + 2940510.

Almost surely, 2^672470720744 is an apocalyptic number.

It is an amenable number.

672470720744 is a deficient number, since it is larger than the sum of its proper divisors (588496744156).

672470720744 is a wasteful number, since it uses less digits than its factorization.

672470720744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657572 (or 5657568 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 50.

The spelling of 672470720744 in words is "six hundred seventy-two billion, four hundred seventy million, seven hundred twenty thousand, seven hundred forty-four".