65412776 has 32 divisors (see below), whose sum is σ = 144093600. Its totient is φ = 27445440.

The previous prime is 65412773. The next prime is 65412779. The reversal of 65412776 is 67721456.

It is an interprime number because it is at equal distance from previous prime (65412773) and next prime (65412779).

It is not an unprimeable number, because it can be changed into a prime (65412773) 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, 27446 + ... + 29733.

It is an arithmetic number, because the mean of its divisors is an integer number (4502925).

Almost surely, 2^65412776 is an apocalyptic number.

It is an amenable number.

65412776 is an abundant number, since it is smaller than the sum of its proper divisors (78680824).

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

65412776 is a wasteful number, since it uses less digits than its factorization.

65412776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57209 (or 57205 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 65412776 is about 8087.8165162175. The cubic root of 65412776 is about 402.9218877930.

The spelling of 65412776 in words is "sixty-five million, four hundred twelve thousand, seven hundred seventy-six".