715763540 has 24 divisors (see below), whose sum is σ = 1523697000. Its totient is φ = 282382848.

The previous prime is 715763537. The next prime is 715763549. The reversal of 715763540 is 45367517.

It can be written as a sum of positive squares in 4 ways, for example, as 231587524 + 484176016 = 15218^2 + 22004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 715763494 and 715763503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715763549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243665 + ... + 246584.

It is an arithmetic number, because the mean of its divisors is an integer number (63487375).

Almost surely, 2^715763540 is an apocalyptic number.

It is an amenable number.

715763540 is an abundant number, since it is smaller than the sum of its proper divisors (807933460).

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

715763540 is a wasteful number, since it uses less digits than its factorization.

715763540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490331 (or 490329 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 715763540 is about 26753.7574931074. The cubic root of 715763540 is about 894.5195927871.

The spelling of 715763540 in words is "seven hundred fifteen million, seven hundred sixty-three thousand, five hundred forty".