697440147 has 8 divisors (see below), whose sum is σ = 984621456. Its totient is φ = 437609472.

The previous prime is 697440143. The next prime is 697440167. The reversal of 697440147 is 741044796.

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

It is not a de Polignac number, because 697440147 - 2² = 697440143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 697440099 and 697440108.

It is not an unprimeable number, because it can be changed into a prime (697440143) 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, 6837598 + ... + 6837699.

It is an arithmetic number, because the mean of its divisors is an integer number (123077682).

Almost surely, 2^697440147 is an apocalyptic number.

697440147 is a deficient number, since it is larger than the sum of its proper divisors (287181309).

697440147 is a wasteful number, since it uses less digits than its factorization.

697440147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13675317.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 697440147 is about 26409.0921275231. The cubic root of 697440147 is about 886.8203446074.

The spelling of 697440147 in words is "six hundred ninety-seven million, four hundred forty thousand, one hundred forty-seven".