57428470 has 32 divisors (see below), whose sum is σ = 117676800. Its totient is φ = 19974240.

The previous prime is 57428467. The next prime is 57428473. The reversal of 57428470 is 7482475.

It is an interprime number because it is at equal distance from previous prime (57428467) and next prime (57428473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57428473) 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, 8820 + ... + 13879.

It is an arithmetic number, because the mean of its divisors is an integer number (3677400).

Almost surely, 2^57428470 is an apocalyptic number.

57428470 is an abundant number, since it is smaller than the sum of its proper divisors (60248330).

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

57428470 is a wasteful number, since it uses less digits than its factorization.

57428470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22740.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 57428470 is about 7578.1574277657. The cubic root of 57428470 is about 385.8120152777.

The spelling of 57428470 in words is "fifty-seven million, four hundred twenty-eight thousand, four hundred seventy".