72683113 has 4 divisors (see below), whose sum is σ = 76508560. Its totient is φ = 68857668.

The previous prime is 72683111. The next prime is 72683203. The reversal of 72683113 is 31138627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31138627 = 13 ⋅2395279.

It is a cyclic number.

It is not a de Polignac number, because 72683113 - 2¹ = 72683111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72683111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912695 + ... + 1912732.

It is an arithmetic number, because the mean of its divisors is an integer number (19127140).

Almost surely, 2^72683113 is an apocalyptic number.

It is an amenable number.

72683113 is a deficient number, since it is larger than the sum of its proper divisors (3825447).

72683113 is a wasteful number, since it uses less digits than its factorization.

72683113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825446.

The product of its digits is 6048, while the sum is 31.

The square root of 72683113 is about 8525.4391675737. The cubic root of 72683113 is about 417.3283035496.

The spelling of 72683113 in words is "seventy-two million, six hundred eighty-three thousand, one hundred thirteen".