65247472 has 10 divisors (see below), whose sum is σ = 126417008. Its totient is φ = 32623728.

The previous prime is 65247449. The next prime is 65247487. The reversal of 65247472 is 27474256.

It is a super-3 number, since 3×65247472³ (a number of 24 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038968 + ... + 2038999.

Almost surely, 2^65247472 is an apocalyptic number.

It is an amenable number.

65247472 is a deficient number, since it is larger than the sum of its proper divisors (61169536).

65247472 is a wasteful number, since it uses less digits than its factorization.

65247472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077975 (or 4077969 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 65247472 is about 8077.5907299145. The cubic root of 65247472 is about 402.5821948054.

The spelling of 65247472 in words is "sixty-five million, two hundred forty-seven thousand, four hundred seventy-two".