65472772 has 12 divisors (see below), whose sum is σ = 116519760. Its totient is φ = 32181416.

The previous prime is 65472733. The next prime is 65472811. The reversal of 65472772 is 27727456.

It is an interprime number because it is at equal distance from previous prime (65472733) and next prime (65472811).

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 in 3 ways as a sum of consecutive naturals, for example, 138478 + ... + 138949.

It is an arithmetic number, because the mean of its divisors is an integer number (9709980).

Almost surely, 2^65472772 is an apocalyptic number.

It is an amenable number.

65472772 is a deficient number, since it is larger than the sum of its proper divisors (51046988).

65472772 is a wasteful number, since it uses less digits than its factorization.

65472772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277490 (or 277488 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 65472772 is about 8091.5247018099. The cubic root of 65472772 is about 403.0450355744.

The spelling of 65472772 in words is "sixty-five million, four hundred seventy-two thousand, seven hundred seventy-two".