715624452 has 72 divisors (see below), whose sum is σ = 1947909600. Its totient is φ = 220693248.

The previous prime is 715624451. The next prime is 715624457. The reversal of 715624452 is 254426517.

It is a happy number.

715624452 is a `hidden beast` number, since 7 + 1 + 562 + 44 + 52 = 666.

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 (715624451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26199 + ... + 46017.

It is an arithmetic number, because the mean of its divisors is an integer number (27054300).

Almost surely, 2^715624452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715624452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973954800).

715624452 is an abundant number, since it is smaller than the sum of its proper divisors (1232285148).

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

715624452 is a wasteful number, since it uses less digits than its factorization.

715624452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19905 (or 19900 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 715624452 is about 26751.1579562456. The cubic root of 715624452 is about 894.4616476725.

The spelling of 715624452 in words is "seven hundred fifteen million, six hundred twenty-four thousand, four hundred fifty-two".