715081080 has 128 divisors (see below), whose sum is σ = 2465095680. Its totient is φ = 162554880.

The previous prime is 715081079. The next prime is 715081097. The reversal of 715081080 is 80180517.

It is a Cunningham number, because it is equal to 26741²-1.

It is a super-2 number, since 2×715081080² = 1022681901947932800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 158212 + ... + 162668.

It is an arithmetic number, because the mean of its divisors is an integer number (19258560).

Almost surely, 2^715081080 is an apocalyptic number.

715081080 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 715081080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232547840).

715081080 is an abundant number, since it is smaller than the sum of its proper divisors (1750014600).

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

715081080 is a wasteful number, since it uses less digits than its factorization.

715081080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 715081080 is about 26740.9999813021. Note that the first 4 decimals coincide. The cubic root of 715081080 is about 894.2352027928.

The spelling of 715081080 in words is "seven hundred fifteen million, eighty-one thousand, eighty".