83613272 has 8 divisors (see below), whose sum is σ = 156774900. Its totient is φ = 41806632.

The previous prime is 83613247. The next prime is 83613311. The reversal of 83613272 is 27231638.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×83613272³ (a number of 25 digits) contains 333 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, 5225822 + ... + 5225837.

Almost surely, 2^83613272 is an apocalyptic number.

It is an amenable number.

83613272 is a deficient number, since it is larger than the sum of its proper divisors (73161628).

83613272 is a wasteful number, since it uses less digits than its factorization.

83613272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10451665 (or 10451661 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 83613272 is about 9144.0293087894. The cubic root of 83613272 is about 437.2787836194.

The spelling of 83613272 in words is "eighty-three million, six hundred thirteen thousand, two hundred seventy-two".