697590720 has 252 divisors, whose sum is σ = 2475271656. Its totient is φ = 180311040.

The previous prime is 697590709. The next prime is 697590743. The reversal of 697590720 is 27095796.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5325055 + ... + 5325185.

Almost surely, 2^697590720 is an apocalyptic number.

697590720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697590720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237635828).

697590720 is an abundant number, since it is smaller than the sum of its proper divisors (1777680936).

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

697590720 is a wasteful number, since it uses less digits than its factorization.

697590720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 697590720 is about 26411.9427532319. The cubic root of 697590720 is about 886.8841596850.

The spelling of 697590720 in words is "six hundred ninety-seven million, five hundred ninety thousand, seven hundred twenty".