72277757416 has 32 divisors (see below), whose sum is σ = 144081192960. Its totient is φ = 33915399232.

The previous prime is 72277757399. The next prime is 72277757423. The reversal of 72277757416 is 61475777227.

It is a happy number.

It is a super-2 number, since 2×72277757416² (a number of 23 digits) contains 22 as substring.

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, 3696040 + ... + 3715543.

It is an arithmetic number, because the mean of its divisors is an integer number (4502537280).

Almost surely, 2^72277757416 is an apocalyptic number.

It is an amenable number.

72277757416 is a deficient number, since it is larger than the sum of its proper divisors (71803435544).

72277757416 is a wasteful number, since it uses less digits than its factorization.

72277757416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411665 (or 7411661 counting only the distinct ones).

The product of its digits is 8067360, while the sum is 55.

The spelling of 72277757416 in words is "seventy-two billion, two hundred seventy-seven million, seven hundred fifty-seven thousand, four hundred sixteen".