57073745 has 8 divisors (see below), whose sum is σ = 69945984. Its totient is φ = 44687344.

The previous prime is 57073729. The next prime is 57073781. The reversal of 57073745 is 54737075.

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

It is a cyclic number.

It is not a de Polignac number, because 57073745 - 2⁴ = 57073729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57073699 and 57073708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121199 + ... + 121668.

It is an arithmetic number, because the mean of its divisors is an integer number (8743248).

Almost surely, 2^57073745 is an apocalyptic number.

It is an amenable number.

57073745 is a deficient number, since it is larger than the sum of its proper divisors (12872239).

57073745 is a wasteful number, since it uses less digits than its factorization.

57073745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242919.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 57073745 is about 7554.7167385680. The cubic root of 57073745 is about 385.0160110281.

The spelling of 57073745 in words is "fifty-seven million, seventy-three thousand, seven hundred forty-five".