257700372 has 48 divisors (see below), whose sum is σ = 631314432. Its totient is φ = 81658720.

The previous prime is 257700371. The next prime is 257700397. The reversal of 257700372 is 273007752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257700371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43297 + ... + 48887.

It is an arithmetic number, because the mean of its divisors is an integer number (13152384).

Almost surely, 2^257700372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 257700372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315657216).

257700372 is an abundant number, since it is smaller than the sum of its proper divisors (373614060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257700372 is a wasteful number, since it uses less digits than its factorization.

257700372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788 (or 5786 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 257700372 is about 16053.0486824154. The cubic root of 257700372 is about 636.3631386094.

The spelling of 257700372 in words is "two hundred fifty-seven million, seven hundred thousand, three hundred seventy-two".