72408355 has 8 divisors (see below), whose sum is σ = 92001312. Its totient is φ = 54519168.

The previous prime is 72408311. The next prime is 72408377. The reversal of 72408355 is 55380427.

It is a happy number.

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 72408355 - 2⁹ = 72407843 is a prime.

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 72408355.

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, 425847 + ... + 426016.

It is an arithmetic number, because the mean of its divisors is an integer number (11500164).

Almost surely, 2^72408355 is an apocalyptic number.

72408355 is a deficient number, since it is larger than the sum of its proper divisors (19592957).

72408355 is a wasteful number, since it uses less digits than its factorization.

72408355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851885.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 72408355 is about 8509.3099015138. The cubic root of 72408355 is about 416.8017755624.

The spelling of 72408355 in words is "seventy-two million, four hundred eight thousand, three hundred fifty-five".