65494686 has 16 divisors (see below), whose sum is σ = 131748624. Its totient is φ = 21705024.

The previous prime is 65494657. The next prime is 65494739. The reversal of 65494686 is 68649456.

It is a happy number.

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, 30511 + ... + 32586.

It is an arithmetic number, because the mean of its divisors is an integer number (8234289).

Almost surely, 2^65494686 is an apocalyptic number.

65494686 is an abundant number, since it is smaller than the sum of its proper divisors (66253938).

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

65494686 is a wasteful number, since it uses less digits than its factorization.

65494686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63275.

The product of its digits is 1244160, while the sum is 48.

The square root of 65494686 is about 8092.8787214439. The cubic root of 65494686 is about 403.0899974897.

The spelling of 65494686 in words is "sixty-five million, four hundred ninety-four thousand, six hundred eighty-six".