83699072 has 16 divisors (see below), whose sum is σ = 166744500. Its totient is φ = 41849472.

The previous prime is 83699053. The next prime is 83699087. The reversal of 83699072 is 27099638.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×83699072² = 14011069307322368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326822 + ... + 327077.

Almost surely, 2^83699072 is an apocalyptic number.

It is an amenable number.

83699072 is a deficient number, since it is larger than the sum of its proper divisors (83045428).

83699072 is an equidigital number, since it uses as much as digits as its factorization.

83699072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653913 (or 653901 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 83699072 is about 9148.7196918476. The cubic root of 83699072 is about 437.4283041153.

The spelling of 83699072 in words is "eighty-three million, six hundred ninety-nine thousand, seventy-two".