72671028 has 12 divisors (see below), whose sum is σ = 169565760. Its totient is φ = 24223672.

The previous prime is 72670999. The next prime is 72671033. The reversal of 72671028 is 82017627.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 72671028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027948 + ... + 3027971.

It is an arithmetic number, because the mean of its divisors is an integer number (14130480).

Almost surely, 2^72671028 is an apocalyptic number.

It is an amenable number.

72671028 is an abundant number, since it is smaller than the sum of its proper divisors (96894732).

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

72671028 is a wasteful number, since it uses less digits than its factorization.

72671028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055926 (or 6055924 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 72671028 is about 8524.7303769679. The cubic root of 72671028 is about 417.3051725824.

The spelling of 72671028 in words is "seventy-two million, six hundred seventy-one thousand, twenty-eight".