720961464 has 32 divisors (see below), whose sum is σ = 1803367440. Its totient is φ = 240192000.

The previous prime is 720961463. The next prime is 720961481. The reversal of 720961464 is 464169027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720961463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44914 + ... + 58814.

Almost surely, 2^720961464 is an apocalyptic number.

It is an amenable number.

720961464 is an abundant number, since it is smaller than the sum of its proper divisors (1082405976).

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

720961464 is a wasteful number, since it uses less digits than its factorization.

720961464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16071 (or 16067 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 720961464 is about 26850.7255767884. The cubic root of 720961464 is about 896.6797264274.

The spelling of 720961464 in words is "seven hundred twenty million, nine hundred sixty-one thousand, four hundred sixty-four".