697375242 has 24 divisors (see below), whose sum is σ = 1524846180. Its totient is φ = 230325120.

The previous prime is 697375187. The next prime is 697375243. The reversal of 697375242 is 242573796.

697375242 is a `hidden beast` number, since 6 + 97 + 37 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 555026481 + 142348761 = 23559^2 + 11931^2 .

It is not an unprimeable number, because it can be changed into a prime (697375243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175759 + ... + 179682.

Almost surely, 2^697375242 is an apocalyptic number.

697375242 is an abundant number, since it is smaller than the sum of its proper divisors (827470938).

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

697375242 is a wasteful number, since it uses less digits than its factorization.

697375242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355558 (or 355555 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 697375242 is about 26407.8632607790. The cubic root of 697375242 is about 886.7928340698.

It can be divided in two parts, 6973 and 75242, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 697375242 in words is "six hundred ninety-seven million, three hundred seventy-five thousand, two hundred forty-two".