720733139824 has 10 divisors (see below), whose sum is σ = 1396420458440. Its totient is φ = 360366569904.

The previous prime is 720733139821. The next prime is 720733139837. The reversal of 720733139824 is 428931337027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720733139821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522910604 + ... + 22522910635.

It is an arithmetic number, because the mean of its divisors is an integer number (139642045844).

Almost surely, 2^720733139824 is an apocalyptic number.

It is an amenable number.

720733139824 is a deficient number, since it is larger than the sum of its proper divisors (675687318616).

720733139824 is a wasteful number, since it uses less digits than its factorization.

720733139824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45045821247 (or 45045821241 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 720733139824 in words is "seven hundred twenty billion, seven hundred thirty-three million, one hundred thirty-nine thousand, eight hundred twenty-four".