715494780 has 648 divisors, whose sum is σ = 3098755296. Its totient is φ = 130014720.

The previous prime is 715494727. The next prime is 715494781. The reversal of 715494780 is 87494517.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715494781) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 37657611 + ... + 37657629.

Almost surely, 2^715494780 is an apocalyptic number.

715494780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715494780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549377648).

715494780 is an abundant number, since it is smaller than the sum of its proper divisors (2383260516).

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

715494780 is a wasteful number, since it uses less digits than its factorization.

715494780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 715494780 is about 26748.7341756577. The cubic root of 715494780 is about 894.4076185717.

The spelling of 715494780 in words is "seven hundred fifteen million, four hundred ninety-four thousand, seven hundred eighty".