65047064 has 8 divisors (see below), whose sum is σ = 121963260. Its totient is φ = 32523528.

The previous prime is 65047061. The next prime is 65047067. The reversal of 65047064 is 46074056.

It is an interprime number because it is at equal distance from previous prime (65047061) and next prime (65047067).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×65047064² = 8462241070040192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65047064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65047061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065434 + ... + 4065449.

Almost surely, 2^65047064 is an apocalyptic number.

It is an amenable number.

65047064 is a deficient number, since it is larger than the sum of its proper divisors (56916196).

65047064 is a wasteful number, since it uses less digits than its factorization.

65047064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130889 (or 8130885 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 65047064 is about 8065.1760055190. The cubic root of 65047064 is about 402.1695942095.

The spelling of 65047064 in words is "sixty-five million, forty-seven thousand, sixty-four".