83672915 has 8 divisors (see below), whose sum is σ = 102109680. Its totient is φ = 65803552.

The previous prime is 83672899. The next prime is 83672921. The reversal of 83672915 is 51927638.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83672915 - 2⁴ = 83672899 is a prime.

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, 141524 + ... + 142113.

It is an arithmetic number, because the mean of its divisors is an integer number (12763710).

Almost surely, 2^83672915 is an apocalyptic number.

83672915 is a deficient number, since it is larger than the sum of its proper divisors (18436765).

83672915 is a wasteful number, since it uses less digits than its factorization.

83672915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283701.

The product of its digits is 90720, while the sum is 41.

The square root of 83672915 is about 9147.2900358521. The cubic root of 83672915 is about 437.3827321076.

The spelling of 83672915 in words is "eighty-three million, six hundred seventy-two thousand, nine hundred fifteen".