83648972 has 24 divisors (see below), whose sum is σ = 160723920. Its totient is φ = 37776960.

The previous prime is 83648947. The next prime is 83648987. The reversal of 83648972 is 27984638.

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, 854 + ... + 12962.

It is an arithmetic number, because the mean of its divisors is an integer number (6696830).

Almost surely, 2^83648972 is an apocalyptic number.

It is an amenable number.

83648972 is a deficient number, since it is larger than the sum of its proper divisors (77074948).

83648972 is a wasteful number, since it uses less digits than its factorization.

83648972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281 (or 12279 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 83648972 is about 9145.9811939452. The cubic root of 83648972 is about 437.3410091128.

The spelling of 83648972 in words is "eighty-three million, six hundred forty-eight thousand, nine hundred seventy-two".