72676620 has 72 divisors (see below), whose sum is σ = 224100240. Its totient is φ = 19059840.

The previous prime is 72676609. The next prime is 72676673. The reversal of 72676620 is 2667627.

72676620 is a `hidden beast` number, since 7 + 26 + 7 + 6 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7671 + ... + 14289.

Almost surely, 2^72676620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72676620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112050120).

72676620 is an abundant number, since it is smaller than the sum of its proper divisors (151423620).

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

72676620 is a wasteful number, since it uses less digits than its factorization.

72676620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695 (or 6690 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 72676620 is about 8525.0583575715. The cubic root of 72676620 is about 417.3158761174.

The spelling of 72676620 in words is "seventy-two million, six hundred seventy-six thousand, six hundred twenty".