72002250344 has 8 divisors (see below), whose sum is σ = 135004219410. Its totient is φ = 36001125168.

The previous prime is 72002250323. The next prime is 72002250371. The reversal of 72002250344 is 44305220027.

It can be written as a sum of positive squares in only one way, i.e., 56135824900 + 15866425444 = 236930^2 + 125962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500140639 + ... + 4500140654.

Almost surely, 2^72002250344 is an apocalyptic number.

It is an amenable number.

72002250344 is a deficient number, since it is larger than the sum of its proper divisors (63001969066).

72002250344 is a wasteful number, since it uses less digits than its factorization.

72002250344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000281299 (or 9000281295 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 72002250344 in words is "seventy-two billion, two million, two hundred fifty thousand, three hundred forty-four".