72413113 has 4 divisors (see below), whose sum is σ = 73433088. Its totient is φ = 71393140.

The previous prime is 72413111. The next prime is 72413141. The reversal of 72413113 is 31131427.

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: 31131427 = 769 ⋅40483.

It is a cyclic number.

It is not a de Polignac number, because 72413113 - 2¹ = 72413111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72413111) 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, 509881 + ... + 510022.

It is an arithmetic number, because the mean of its divisors is an integer number (18358272).

Almost surely, 2^72413113 is an apocalyptic number.

It is an amenable number.

72413113 is a deficient number, since it is larger than the sum of its proper divisors (1019975).

72413113 is a wasteful number, since it uses less digits than its factorization.

72413113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019974.

The product of its digits is 504, while the sum is 22.

The square root of 72413113 is about 8509.5894730592. The cubic root of 72413113 is about 416.8109048009.

The spelling of 72413113 in words is "seventy-two million, four hundred thirteen thousand, one hundred thirteen".