65474520 has 32 divisors (see below), whose sum is σ = 196423920. Its totient is φ = 17459840.

The previous prime is 65474501. The next prime is 65474561. The reversal of 65474520 is 2547456.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 272691 + ... + 272930.

Almost surely, 2^65474520 is an apocalyptic number.

65474520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65474520 is an abundant number, since it is smaller than the sum of its proper divisors (130949400).

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

65474520 is a wasteful number, since it uses less digits than its factorization.

65474520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545635 (or 545631 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 65474520 is about 8091.6327153424. The cubic root of 65474520 is about 403.0486223909.

The spelling of 65474520 in words is "sixty-five million, four hundred seventy-four thousand, five hundred twenty".