57274645 has 8 divisors (see below), whose sum is σ = 72347040. Its totient is φ = 43408080.

The previous prime is 57274643. The next prime is 57274661. The reversal of 57274645 is 54647275.

57274645 = T₁₃₂ + T₁₃₃ + ... + T₇₀₁.

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

It is not a de Polignac number, because 57274645 - 2¹ = 57274643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57274598 and 57274607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57274643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301351 + ... + 301540.

It is an arithmetic number, because the mean of its divisors is an integer number (9043380).

Almost surely, 2^57274645 is an apocalyptic number.

It is an amenable number.

57274645 is a deficient number, since it is larger than the sum of its proper divisors (15072395).

57274645 is a wasteful number, since it uses less digits than its factorization.

57274645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602915.

The product of its digits is 235200, while the sum is 40.

The square root of 57274645 is about 7568.0013874206. The cubic root of 57274645 is about 385.4672350628.

The spelling of 57274645 in words is "fifty-seven million, two hundred seventy-four thousand, six hundred forty-five".