57072633 has 4 divisors (see below), whose sum is σ = 76096848. Its totient is φ = 38048420.

The previous prime is 57072629. The next prime is 57072649. The reversal of 57072633 is 33627075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57072633 - 2² = 57072629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57072594 and 57072603.

It is not an unprimeable number, because it can be changed into a prime (57071633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9512103 + ... + 9512108.

It is an arithmetic number, because the mean of its divisors is an integer number (19024212).

Almost surely, 2^57072633 is an apocalyptic number.

It is an amenable number.

57072633 is a deficient number, since it is larger than the sum of its proper divisors (19024215).

57072633 is a wasteful number, since it uses less digits than its factorization.

57072633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19024214.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 57072633 is about 7554.6431418036. The cubic root of 57072633 is about 385.0135105171.

The spelling of 57072633 in words is "fifty-seven million, seventy-two thousand, six hundred thirty-three".