72341613 has 48 divisors (see below), whose sum is σ = 116316160. Its totient is φ = 44416512.

The previous prime is 72341593. The next prime is 72341627. The reversal of 72341613 is 31614327.

72341613 is a `hidden beast` number, since 7 + 2 + 3 + 41 + 613 = 666.

It is not a de Polignac number, because 72341613 - 2²⁰ = 71293037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72341513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569556 + ... + 569682.

Almost surely, 2^72341613 is an apocalyptic number.

72341613 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

72341613 is a deficient number, since it is larger than the sum of its proper divisors (43974547).

72341613 is a wasteful number, since it uses less digits than its factorization.

72341613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 220 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 72341613 is about 8505.3872927692. The cubic root of 72341613 is about 416.6736746199.

The spelling of 72341613 in words is "seventy-two million, three hundred forty-one thousand, six hundred thirteen".