698705740 has 48 divisors (see below), whose sum is σ = 1490227200. Its totient is φ = 275147712.

The previous prime is 698705719. The next prime is 698705767. The reversal of 698705740 is 47507896.

It is a happy number.

698705740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×698705740² = 976379422217895200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352071 + ... + 354049.

It is an arithmetic number, because the mean of its divisors is an integer number (31046400).

Almost surely, 2^698705740 is an apocalyptic number.

It is an amenable number.

698705740 is an abundant number, since it is smaller than the sum of its proper divisors (791521460).

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

698705740 is a wasteful number, since it uses less digits than its factorization.

698705740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 698705740 is about 26433.0425793173. The cubic root of 698705740 is about 887.3564362107.

The spelling of 698705740 in words is "six hundred ninety-eight million, seven hundred five thousand, seven hundred forty".