65342624 has 12 divisors (see below), whose sum is σ = 128643354. Its totient is φ = 32671296.

The previous prime is 65342593. The next prime is 65342633. The reversal of 65342624 is 42624356.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 250000 = 8068^2 + 500^2 .

It is a super-2 number, since 2×65342624² = 8539317022410752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2041957 = 65342624 / (6 + 5 + 3 + 4 + 2 + 6 + 2 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020947 + ... + 1021010.

Almost surely, 2^65342624 is an apocalyptic number.

It is an amenable number.

65342624 is a deficient number, since it is larger than the sum of its proper divisors (63300730).

65342624 is a wasteful number, since it uses less digits than its factorization.

65342624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041967 (or 2041959 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 65342624 is about 8083.4784591783. The cubic root of 65342624 is about 402.7777982712. Note that the first 4 decimals are identical.

The spelling of 65342624 in words is "sixty-five million, three hundred forty-two thousand, six hundred twenty-four".