720461252 has 24 divisors (see below), whose sum is σ = 1442004480. Its totient is φ = 308537280.

The previous prime is 720461243. The next prime is 720461279. The reversal of 720461252 is 252164027.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31352 + ... + 49232.

It is an arithmetic number, because the mean of its divisors is an integer number (60083520).

Almost surely, 2^720461252 is an apocalyptic number.

It is an amenable number.

720461252 is an abundant number, since it is smaller than the sum of its proper divisors (721543228).

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

720461252 is a wasteful number, since it uses less digits than its factorization.

720461252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19331 (or 19329 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 720461252 is about 26841.4092774578. The cubic root of 720461252 is about 896.4723026128.

The spelling of 720461252 in words is "seven hundred twenty million, four hundred sixty-one thousand, two hundred fifty-two".