72208379628 has 108 divisors (see below), whose sum is σ = 229289882640. Its totient is φ = 18755415360.

The previous prime is 72208379609. The next prime is 72208379647. The reversal of 72208379628 is 82697380227.

72208379628 is a `hidden beast` number, since 7 + 2 + 2 + 0 + 8 + 3 + 7 + 9 + 628 = 666.

It is an interprime number because it is at equal distance from previous prime (72208379609) and next prime (72208379647).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1153563 + ... + 1214546.

Almost surely, 2^72208379628 is an apocalyptic number.

It is an amenable number.

72208379628 is an abundant number, since it is smaller than the sum of its proper divisors (157081503012).

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

72208379628 is a wasteful number, since it uses less digits than its factorization.

72208379628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368148 (or 2368132 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 72208379628 in words is "seventy-two billion, two hundred eight million, three hundred seventy-nine thousand, six hundred twenty-eight".