72397194 has 8 divisors (see below), whose sum is σ = 144794400. Its totient is φ = 24132396.

The previous prime is 72397187. The next prime is 72397217. The reversal of 72397194 is 49179327.

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

72397194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6033094 + ... + 6033105.

It is an arithmetic number, because the mean of its divisors is an integer number (18099300).

Almost surely, 2^72397194 is an apocalyptic number.

72397194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72397194 is a wasteful number, since it uses less digits than its factorization.

72397194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066204.

The product of its digits is 95256, while the sum is 42.

The square root of 72397194 is about 8508.6540651269. The cubic root of 72397194 is about 416.7803592326.

The spelling of 72397194 in words is "seventy-two million, three hundred ninety-seven thousand, one hundred ninety-four".