699317442 has 64 divisors (see below), whose sum is σ = 1589760000. Its totient is φ = 227796624.

The previous prime is 699317441. The next prime is 699317447. The reversal of 699317442 is 244713996.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (699317441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633463 + ... + 634565.

It is an arithmetic number, because the mean of its divisors is an integer number (24840000).

Almost surely, 2^699317442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699317442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794880000).

699317442 is an abundant number, since it is smaller than the sum of its proper divisors (890442558).

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

699317442 is a wasteful number, since it uses less digits than its factorization.

699317442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1366 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 699317442 is about 26444.6108309425. The cubic root of 699317442 is about 887.6153145673.

The spelling of 699317442 in words is "six hundred ninety-nine million, three hundred seventeen thousand, four hundred forty-two".