72024394 has 8 divisors (see below), whose sum is σ = 116347140. Its totient is φ = 33242016.

The previous prime is 72024389. The next prime is 72024401. The reversal of 72024394 is 49342027.

It can be written as a sum of positive squares in 2 ways, for example, as 61701025 + 10323369 = 7855^2 + 3213^2 .

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

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, 1385059 + ... + 1385110.

Almost surely, 2^72024394 is an apocalyptic number.

72024394 is a deficient number, since it is larger than the sum of its proper divisors (44322746).

72024394 is a wasteful number, since it uses less digits than its factorization.

72024394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770184.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 72024394 is about 8486.7186827419. The cubic root of 72024394 is about 416.0637422357.

The spelling of 72024394 in words is "seventy-two million, twenty-four thousand, three hundred ninety-four".