72722624390 has 32 divisors (see below), whose sum is σ = 140982962400. Its totient is φ = 26848963584.

The previous prime is 72722624363. The next prime is 72722624399. The reversal of 72722624390 is 9342622727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72722624399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016497 + ... + 2052243.

It is an arithmetic number, because the mean of its divisors is an integer number (4405717575).

Almost surely, 2^72722624390 is an apocalyptic number.

72722624390 is a deficient number, since it is larger than the sum of its proper divisors (68260338010).

72722624390 is a wasteful number, since it uses less digits than its factorization.

72722624390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51416.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 72722624390 in words is "seventy-two billion, seven hundred twenty-two million, six hundred twenty-four thousand, three hundred ninety".