72057246 has 8 divisors (see below), whose sum is σ = 144114504. Its totient is φ = 24019080.

The previous prime is 72057221. The next prime is 72057269. The reversal of 72057246 is 64275027.

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

72057246 is an admirable number.

It is a super-2 number, since 2×72057246² = 10384493402209032, which contains 22 as substring.

It is a congruent 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, 6004765 + ... + 6004776.

It is an arithmetic number, because the mean of its divisors is an integer number (18014313).

Almost surely, 2^72057246 is an apocalyptic number.

72057246 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.

72057246 is a wasteful number, since it uses less digits than its factorization.

72057246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12009546.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72057246 is about 8488.6539569004. The cubic root of 72057246 is about 416.1269914010.

The spelling of 72057246 in words is "seventy-two million, fifty-seven thousand, two hundred forty-six".