57872749 has 8 divisors (see below), whose sum is σ = 63243648. Its totient is φ = 52520160.

The previous prime is 57872747. The next prime is 57872783. The reversal of 57872749 is 94727875.

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

It is not a de Polignac number, because 57872749 - 2¹ = 57872747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57872741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524 + ... + 11050.

It is an arithmetic number, because the mean of its divisors is an integer number (7905456).

Almost surely, 2^57872749 is an apocalyptic number.

It is an amenable number.

57872749 is a deficient number, since it is larger than the sum of its proper divisors (5370899).

57872749 is a wasteful number, since it uses less digits than its factorization.

57872749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its digits is 987840, while the sum is 49.

The square root of 57872749 is about 7607.4140810133. The cubic root of 57872749 is about 386.8043688931.

The spelling of 57872749 in words is "fifty-seven million, eight hundred seventy-two thousand, seven hundred forty-nine".