721362652 has 12 divisors (see below), whose sum is σ = 1262574376. Its totient is φ = 360627120.

The previous prime is 721362647. The next prime is 721362659. The reversal of 721362652 is 256263127.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721362659) 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, 39238 + ... + 54610.

Almost surely, 2^721362652 is an apocalyptic number.

It is an amenable number.

721362652 is a deficient number, since it is larger than the sum of its proper divisors (541211724).

721362652 is a wasteful number, since it uses less digits than its factorization.

721362652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108 (or 27106 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 721362652 is about 26858.1952483781. The cubic root of 721362652 is about 896.8460184591.

The spelling of 721362652 in words is "seven hundred twenty-one million, three hundred sixty-two thousand, six hundred fifty-two".