715720434 has 64 divisors (see below), whose sum is σ = 1780652160. Its totient is φ = 188421120.

The previous prime is 715720433. The next prime is 715720471. The reversal of 715720434 is 434027517.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 715720395 and 715720404.

It is not an unprimeable number, because it can be changed into a prime (715720433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9949 + ... + 39120.

It is an arithmetic number, because the mean of its divisors is an integer number (27822690).

Almost surely, 2^715720434 is an apocalyptic number.

715720434 is an abundant number, since it is smaller than the sum of its proper divisors (1064931726).

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

715720434 is a wasteful number, since it uses less digits than its factorization.

715720434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49115.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 715720434 is about 26752.9518745128. The cubic root of 715720434 is about 894.5016353037.

The spelling of 715720434 in words is "seven hundred fifteen million, seven hundred twenty thousand, four hundred thirty-four".