72199430 has 16 divisors (see below), whose sum is σ = 136799280. Its totient is φ = 27359712.

The previous prime is 72199399. The next prime is 72199441. The reversal of 72199430 is 3499127.

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, 189809 + ... + 190188.

It is an arithmetic number, because the mean of its divisors is an integer number (8549955).

Almost surely, 2^72199430 is an apocalyptic number.

72199430 is a deficient number, since it is larger than the sum of its proper divisors (64599850).

72199430 is a wasteful number, since it uses less digits than its factorization.

72199430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380023.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 72199430 is about 8497.0247734133. The cubic root of 72199430 is about 416.4005134038.

The spelling of 72199430 in words is "seventy-two million, one hundred ninety-nine thousand, four hundred thirty".