699247040 has 56 divisors (see below), whose sum is σ = 1672175472. Its totient is φ = 278507520.

The previous prime is 699247027. The next prime is 699247049. The reversal of 699247040 is 40742996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699247049) 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, 72587 + ... + 81653.

Almost surely, 2^699247040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836087736).

699247040 is an abundant number, since it is smaller than the sum of its proper divisors (972928432).

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

699247040 is a wasteful number, since it uses less digits than its factorization.

699247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325 (or 9315 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 699247040 is about 26443.2796755622. The cubic root of 699247040 is about 887.5855274317.

The spelling of 699247040 in words is "six hundred ninety-nine million, two hundred forty-seven thousand, forty".