83072072 has 16 divisors (see below), whose sum is σ = 155865600. Its totient is φ = 41507920.

The previous prime is 83072053. The next prime is 83072083. The reversal of 83072072 is 27027038.

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, 14429 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (9741600).

Almost surely, 2^83072072 is an apocalyptic number.

It is an amenable number.

83072072 is a deficient number, since it is larger than the sum of its proper divisors (72793528).

83072072 is a wasteful number, since it uses less digits than its factorization.

83072072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 83072072 is about 9114.3881857204. The cubic root of 83072072 is about 436.3332889143. Note that the first 3 decimals are identical.

The spelling of 83072072 in words is "eighty-three million, seventy-two thousand, seventy-two".