57273465 has 8 divisors (see below), whose sum is σ = 91637568. Its totient is φ = 30545840.

The previous prime is 57273457. The next prime is 57273479. The reversal of 57273465 is 56437275.

Added to its reverse (56437275) it gives a triangular number (113710740 = T₁₅₀₈₀).

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

It is not a de Polignac number, because 57273465 - 2³ = 57273457 is a prime.

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, 1909101 + ... + 1909130.

It is an arithmetic number, because the mean of its divisors is an integer number (11454696).

Almost surely, 2^57273465 is an apocalyptic number.

It is an amenable number.

57273465 is a deficient number, since it is larger than the sum of its proper divisors (34364103).

57273465 is a wasteful number, since it uses less digits than its factorization.

57273465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818239.

The product of its digits is 176400, while the sum is 39.

The square root of 57273465 is about 7567.9234272025. The cubic root of 57273465 is about 385.4645878504.

Adding to 57273465 its reverse (56437275), we get a triangular number (113710740 = T₁₅₀₈₀).

The spelling of 57273465 in words is "fifty-seven million, two hundred seventy-three thousand, four hundred sixty-five".