715777140 has 96 divisors (see below), whose sum is σ = 2208640896. Its totient is φ = 172085760.

The previous prime is 715777133. The next prime is 715777151. The reversal of 715777140 is 41777517.

It is a happy number.

715777140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22870 + ... + 44210.

It is an arithmetic number, because the mean of its divisors is an integer number (23006676).

Almost surely, 2^715777140 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 715777140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104320448).

715777140 is an abundant number, since it is smaller than the sum of its proper divisors (1492863756).

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

715777140 is a wasteful number, since it uses less digits than its factorization.

715777140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21409 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 39.

The square root of 715777140 is about 26754.0116618050. The cubic root of 715777140 is about 894.5252582472.

The spelling of 715777140 in words is "seven hundred fifteen million, seven hundred seventy-seven thousand, one hundred forty".