72675420 has 48 divisors (see below), whose sum is σ = 204186528. Its totient is φ = 19313920.

The previous prime is 72675419. The next prime is 72675431. The reversal of 72675420 is 2457627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17110 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (4253886).

Almost surely, 2^72675420 is an apocalyptic number.

It is an amenable number.

72675420 is an abundant number, since it is smaller than the sum of its proper divisors (131511108).

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

72675420 is a wasteful number, since it uses less digits than its factorization.

72675420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72675420 is about 8524.9879765311. The cubic root of 72675420 is about 417.3135792678.

The spelling of 72675420 in words is "seventy-two million, six hundred seventy-five thousand, four hundred twenty".