662247072 has 36 divisors (see below), whose sum is σ = 1883265930. Its totient is φ = 220748928.

The previous prime is 662247011. The next prime is 662247077. The reversal of 662247072 is 270742266.

It can be written as a sum of positive squares in only one way, i.e., 649026576 + 13220496 = 25476^2 + 3636^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (662247077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149447 + ... + 1150022.

Almost surely, 2^662247072 is an apocalyptic number.

It is an amenable number.

662247072 is an abundant number, since it is smaller than the sum of its proper divisors (1221018858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662247072 is a wasteful number, since it uses less digits than its factorization.

662247072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299485 (or 2299474 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 662247072 is about 25734.1615756177. The cubic root of 662247072 is about 871.6457473021.

The spelling of 662247072 in words is "six hundred sixty-two million, two hundred forty-seven thousand, seventy-two".