720145264 has 10 divisors (see below), whose sum is σ = 1395281480. Its totient is φ = 360072624.

The previous prime is 720145259. The next prime is 720145301. The reversal of 720145264 is 462541027.

720145264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22504524 + ... + 22504555.

It is an arithmetic number, because the mean of its divisors is an integer number (139528148).

Almost surely, 2^720145264 is an apocalyptic number.

It is an amenable number.

720145264 is a deficient number, since it is larger than the sum of its proper divisors (675136216).

720145264 is a wasteful number, since it uses less digits than its factorization.

720145264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45009087 (or 45009081 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 720145264 is about 26835.5224283039. The cubic root of 720145264 is about 896.3412218118.

The spelling of 720145264 in words is "seven hundred twenty million, one hundred forty-five thousand, two hundred sixty-four".