57764749 has 16 divisors (see below), whose sum is σ = 68463616. Its totient is φ = 47742480.

The previous prime is 57764747. The next prime is 57764771. The reversal of 57764749 is 94746775.

It is not a de Polignac number, because 57764749 - 2¹ = 57764747 is a prime.

It is a Duffinian number.

Its product of digits (1481760) is a multiple of the sum of its prime divisors (315).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57764741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208399 + ... + 208675.

It is an arithmetic number, because the mean of its divisors is an integer number (4278976).

Almost surely, 2^57764749 is an apocalyptic number.

It is an amenable number.

57764749 is a deficient number, since it is larger than the sum of its proper divisors (10698867).

57764749 is an frugal number, since it uses more digits than its factorization.

57764749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 315 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The square root of 57764749 is about 7600.3124277887. The cubic root of 57764749 is about 386.5636056912.

The spelling of 57764749 in words is "fifty-seven million, seven hundred sixty-four thousand, seven hundred forty-nine".