72600405 has 8 divisors (see below), whose sum is σ = 116160672. Its totient is φ = 38720208.

The previous prime is 72600389. The next prime is 72600433. The reversal of 72600405 is 50400627.

It is a happy number.

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

It is not a de Polignac number, because 72600405 - 2⁴ = 72600389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419999 + ... + 2420028.

It is an arithmetic number, because the mean of its divisors is an integer number (14520084).

Almost surely, 2^72600405 is an apocalyptic number.

It is an amenable number.

72600405 is a deficient number, since it is larger than the sum of its proper divisors (43560267).

72600405 is a wasteful number, since it uses less digits than its factorization.

72600405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840035.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72600405 is about 8520.5871276573. The cubic root of 72600405 is about 417.1699472338.

The spelling of 72600405 in words is "seventy-two million, six hundred thousand, four hundred five".