72406366 has 8 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 34073568.

The previous prime is 72406363. The next prime is 72406379. The reversal of 72406366 is 66360427.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2129599 = 72406366 / (7 + 2 + 4 + 0 + 6 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72406363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064766 + ... + 1064833.

It is an arithmetic number, because the mean of its divisors is an integer number (14374800).

Almost surely, 2^72406366 is an apocalyptic number.

72406366 is a deficient number, since it is larger than the sum of its proper divisors (42592034).

72406366 is a wasteful number, since it uses less digits than its factorization.

72406366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129618.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 72406366 is about 8509.1930287190. The cubic root of 72406366 is about 416.7979591229.

The spelling of 72406366 in words is "seventy-two million, four hundred six thousand, three hundred sixty-six".