699226672 has 20 divisors (see below), whose sum is σ = 1355638680. Its totient is φ = 349384448.

The previous prime is 699226667. The next prime is 699226687. The reversal of 699226672 is 276622996.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12408 + ... + 39400.

It is an arithmetic number, because the mean of its divisors is an integer number (67781934).

Almost surely, 2^699226672 is an apocalyptic number.

It is an amenable number.

699226672 is a deficient number, since it is larger than the sum of its proper divisors (656412008).

699226672 is a wasteful number, since it uses less digits than its factorization.

699226672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28620 (or 28614 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 699226672 is about 26442.8945465507. The cubic root of 699226672 is about 887.5769093437.

The spelling of 699226672 in words is "six hundred ninety-nine million, two hundred twenty-six thousand, six hundred seventy-two".