57072338 has 8 divisors (see below), whose sum is σ = 89330688. Its totient is φ = 27295444.

The previous prime is 57072317. The next prime is 57072359. The reversal of 57072338 is 83327075.

It is an interprime number because it is at equal distance from previous prime (57072317) and next prime (57072359).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57072298 and 57072307.

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, 620306 + ... + 620397.

It is an arithmetic number, because the mean of its divisors is an integer number (11166336).

Almost surely, 2^57072338 is an apocalyptic number.

57072338 is a deficient number, since it is larger than the sum of its proper divisors (32258350).

57072338 is a wasteful number, since it uses less digits than its factorization.

57072338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240728.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 57072338 is about 7554.6236173618. The cubic root of 57072338 is about 385.0128471566.

The spelling of 57072338 in words is "fifty-seven million, seventy-two thousand, three hundred thirty-eight".