715283240 has 32 divisors (see below), whose sum is σ = 1839300480. Its totient is φ = 245239872.

The previous prime is 715283227. The next prime is 715283249. The reversal of 715283240 is 42382517.

It is a super-2 number, since 2×715283240² = 1023260226849795200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 715283197 and 715283206.

It is not an unprimeable number, because it can be changed into a prime (715283249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277012 + ... + 1277571.

It is an arithmetic number, because the mean of its divisors is an integer number (57478140).

Almost surely, 2^715283240 is an apocalyptic number.

715283240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

715283240 is an abundant number, since it is smaller than the sum of its proper divisors (1124017240).

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

715283240 is a wasteful number, since it uses less digits than its factorization.

715283240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554601 (or 2554597 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 715283240 is about 26744.7796775371. The cubic root of 715283240 is about 894.3194643590.

The spelling of 715283240 in words is "seven hundred fifteen million, two hundred eighty-three thousand, two hundred forty".