72482737 has 4 divisors (see below), whose sum is σ = 73400320. Its totient is φ = 71565156.

The previous prime is 72482723. The next prime is 72482749. The reversal of 72482737 is 73728427.

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: 73728427 = 2003 ⋅36809.

It is a cyclic number.

It is not a de Polignac number, because 72482737 - 2⁷ = 72482609 is a prime.

It is a super-2 number, since 2×72482737² = 10507494326022338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72482737.

It is not an unprimeable number, because it can be changed into a prime (72488737) 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, 458673 + ... + 458830.

It is an arithmetic number, because the mean of its divisors is an integer number (18350080).

Almost surely, 2^72482737 is an apocalyptic number.

It is an amenable number.

72482737 is a deficient number, since it is larger than the sum of its proper divisors (917583).

72482737 is an equidigital number, since it uses as much as digits as its factorization.

72482737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917582.

The product of its digits is 131712, while the sum is 40.

The square root of 72482737 is about 8513.6794043469. The cubic root of 72482737 is about 416.9444475872.

The spelling of 72482737 in words is "seventy-two million, four hundred eighty-two thousand, seven hundred thirty-seven".