65244772 has 12 divisors (see below), whose sum is σ = 115742956. Its totient is φ = 32175360.

The previous prime is 65244763. The next prime is 65244779. The reversal of 65244772 is 27744256.

It can be written as a sum of positive squares in 2 ways, for example, as 53231616 + 12013156 = 7296^2 + 3466^2 .

It is not an unprimeable number, because it can be changed into a prime (65244779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111429 + ... + 112012.

Almost surely, 2^65244772 is an apocalyptic number.

It is an amenable number.

65244772 is a deficient number, since it is larger than the sum of its proper divisors (50498184).

65244772 is a wasteful number, since it uses less digits than its factorization.

65244772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223518 (or 223516 counting only the distinct ones).

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

The square root of 65244772 is about 8077.4235991435. The cubic root of 65244772 is about 402.5766416558.

The spelling of 65244772 in words is "sixty-five million, two hundred forty-four thousand, seven hundred seventy-two".