697580421 has 8 divisors (see below), whose sum is σ = 979060320. Its totient is φ = 440577072.

The previous prime is 697580419. The next prime is 697580441. The reversal of 697580421 is 124085796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697580421 - 2¹ = 697580419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697580441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6119070 + ... + 6119183.

It is an arithmetic number, because the mean of its divisors is an integer number (122382540).

Almost surely, 2^697580421 is an apocalyptic number.

It is an amenable number.

697580421 is a deficient number, since it is larger than the sum of its proper divisors (281479899).

697580421 is a wasteful number, since it uses less digits than its factorization.

697580421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238275.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 697580421 is about 26411.7477838934. The cubic root of 697580421 is about 886.8797951082.

The spelling of 697580421 in words is "six hundred ninety-seven million, five hundred eighty thousand, four hundred twenty-one".