716449540 has 24 divisors (see below), whose sum is σ = 1569960000. Its totient is φ = 274119648.

The previous prime is 716449523. The next prime is 716449541. The reversal of 716449540 is 45944617.

It is a junction number, because it is equal to n+sod(n) for n = 716449493 and 716449502.

It is not an unprimeable number, because it can be changed into a prime (716449541) 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, 778290 + ... + 779209.

It is an arithmetic number, because the mean of its divisors is an integer number (65415000).

Almost surely, 2^716449540 is an apocalyptic number.

It is an amenable number.

716449540 is an abundant number, since it is smaller than the sum of its proper divisors (853510460).

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

716449540 is a wasteful number, since it uses less digits than its factorization.

716449540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557531 (or 1557529 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 716449540 is about 26766.5750517320. The cubic root of 716449540 is about 894.8052758232.

The spelling of 716449540 in words is "seven hundred sixteen million, four hundred forty-nine thousand, five hundred forty".