699572916 has 192 divisors, whose sum is σ = 2271628800. Its totient is φ = 181536768.

The previous prime is 699572897. The next prime is 699572921. The reversal of 699572916 is 619275996.

699572916 is a `hidden beast` number, since 69 + 9 + 572 + 9 + 1 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371770 + ... + 373646.

It is an arithmetic number, because the mean of its divisors is an integer number (11831400).

Almost surely, 2^699572916 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 699572916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135814400).

699572916 is an abundant number, since it is smaller than the sum of its proper divisors (1572055884).

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

699572916 is a wasteful number, since it uses less digits than its factorization.

699572916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1935 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 699572916 is about 26449.4407502314. The cubic root of 699572916 is about 887.7233890093.

The spelling of 699572916 in words is "six hundred ninety-nine million, five hundred seventy-two thousand, nine hundred sixteen".