715242816 has 42 divisors (see below), whose sum is σ = 2050116042. Its totient is φ = 238414080.

The previous prime is 715242811. The next prime is 715242833. The reversal of 715242816 is 618242517.

It can be written as a sum of positive squares in only one way, i.e., 678081600 + 37161216 = 26040^2 + 6096^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715242811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620295 + ... + 621446.

Almost surely, 2^715242816 is an apocalyptic number.

It is an amenable number.

715242816 is an abundant number, since it is smaller than the sum of its proper divisors (1334873226).

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

715242816 is a wasteful number, since it uses less digits than its factorization.

715242816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241759 (or 1241746 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 715242816 is about 26744.0239305905. The cubic root of 715242816 is about 894.3026166502.

The spelling of 715242816 in words is "seven hundred fifteen million, two hundred forty-two thousand, eight hundred sixteen".