57997070 has 8 divisors (see below), whose sum is σ = 104394744. Its totient is φ = 23198824.

The previous prime is 57997061. The next prime is 57997073. The reversal of 57997070 is 7079975.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899844 + ... + 2899863.

It is an arithmetic number, because the mean of its divisors is an integer number (13049343).

Almost surely, 2^57997070 is an apocalyptic number.

57997070 is a deficient number, since it is larger than the sum of its proper divisors (46397674).

57997070 is a wasteful number, since it uses less digits than its factorization.

57997070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799714.

The product of its (nonzero) digits is 138915, while the sum is 44.

The square root of 57997070 is about 7615.5807395103. The cubic root of 57997070 is about 387.0811457527.

The spelling of 57997070 in words is "fifty-seven million, nine hundred ninety-seven thousand, seventy".