72019344 has 40 divisors (see below), whose sum is σ = 196996320. Its totient is φ = 22594048.

The previous prime is 72019333. The next prime is 72019399. The reversal of 72019344 is 44391027.

It is a happy 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, 43314 + ... + 44945.

It is an arithmetic number, because the mean of its divisors is an integer number (4924908).

Almost surely, 2^72019344 is an apocalyptic number.

It is an amenable number.

72019344 is an abundant number, since it is smaller than the sum of its proper divisors (124976976).

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

72019344 is a wasteful number, since it uses less digits than its factorization.

72019344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88287 (or 88281 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72019344 is about 8486.4211538198. The cubic root of 72019344 is about 416.0540178868.

The spelling of 72019344 in words is "seventy-two million, nineteen thousand, three hundred forty-four".