72392641 has 8 divisors (see below), whose sum is σ = 76340480. Its totient is φ = 68458608.

The previous prime is 72392633. The next prime is 72392653. The reversal of 72392641 is 14629327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72392641 - 2³ = 72392633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72392597 and 72392606.

It is not an unprimeable number, because it can be changed into a prime (72392611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8395 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (9542560).

Almost surely, 2^72392641 is an apocalyptic number.

It is an amenable number.

72392641 is a deficient number, since it is larger than the sum of its proper divisors (3947839).

72392641 is a wasteful number, since it uses less digits than its factorization.

72392641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903.

The product of its digits is 18144, while the sum is 34.

The square root of 72392641 is about 8508.3865097914. The cubic root of 72392641 is about 416.7716220580.

The spelling of 72392641 in words is "seventy-two million, three hundred ninety-two thousand, six hundred forty-one".