697716020 has 12 divisors (see below), whose sum is σ = 1465203684. Its totient is φ = 279086400.

The previous prime is 697716013. The next prime is 697716059. The reversal of 697716020 is 20617796.

It can be written as a sum of positive squares in 2 ways, for example, as 147719716 + 549996304 = 12154^2 + 23452^2 .

It is a congruent 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, 17442881 + ... + 17442920.

It is an arithmetic number, because the mean of its divisors is an integer number (122100307).

Almost surely, 2^697716020 is an apocalyptic number.

It is an amenable number.

697716020 is an abundant number, since it is smaller than the sum of its proper divisors (767487664).

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

697716020 is a wasteful number, since it uses less digits than its factorization.

697716020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34885810 (or 34885808 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 697716020 is about 26414.3146797338. The cubic root of 697716020 is about 886.9372566893.

The spelling of 697716020 in words is "six hundred ninety-seven million, seven hundred sixteen thousand, twenty".