72254416368 has 40 divisors (see below), whose sum is σ = 191702037328. Its totient is φ = 23433864192.

The previous prime is 72254416337. The next prime is 72254416387. The reversal of 72254416368 is 86361445227.

It is a super-2 number, since 2×72254416368² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20340121 + ... + 20343672.

Almost surely, 2^72254416368 is an apocalyptic number.

It is an amenable number.

72254416368 is an abundant number, since it is smaller than the sum of its proper divisors (119447620960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72254416368 is a wasteful number, since it uses less digits than its factorization.

72254416368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40683841 (or 40683835 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 72254416368 in words is "seventy-two billion, two hundred fifty-four million, four hundred sixteen thousand, three hundred sixty-eight".