57386742 has 24 divisors (see below), whose sum is σ = 133512696. Its totient is φ = 16396128.

The previous prime is 57386731. The next prime is 57386753. The reversal of 57386742 is 24768375.

It is an interprime number because it is at equal distance from previous prime (57386731) and next prime (57386753).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 57386694 and 57386703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97303 + ... + 97890.

It is an arithmetic number, because the mean of its divisors is an integer number (5563029).

Almost surely, 2^57386742 is an apocalyptic number.

57386742 is an abundant number, since it is smaller than the sum of its proper divisors (76125954).

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

57386742 is a wasteful number, since it uses less digits than its factorization.

57386742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195212 (or 195205 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 57386742 is about 7575.4037516161. The cubic root of 57386742 is about 385.7185479051.

The spelling of 57386742 in words is "fifty-seven million, three hundred eighty-six thousand, seven hundred forty-two".