720350672 has 20 divisors (see below), whose sum is σ = 1397876676. Its totient is φ = 359608320.

The previous prime is 720350671. The next prime is 720350693. The reversal of 720350672 is 276053027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 643332496 + 77018176 = 25364^2 + 8776^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720350671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24863 + ... + 45374.

Almost surely, 2^720350672 is an apocalyptic number.

It is an amenable number.

720350672 is a deficient number, since it is larger than the sum of its proper divisors (677526004).

720350672 is a wasteful number, since it uses less digits than its factorization.

720350672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70886 (or 70880 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 720350672 is about 26839.3493214720. The cubic root of 720350672 is about 896.4264352470.

It can be divided in two parts, 7203 and 50672, that added together give a palindrome (57875).

The spelling of 720350672 in words is "seven hundred twenty million, three hundred fifty thousand, six hundred seventy-two".