697949755 has 8 divisors (see below), whose sum is σ = 837789552. Its totient is φ = 558193248.

The previous prime is 697949701. The next prime is 697949761. The reversal of 697949755 is 557949796.

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

It is a cyclic number.

It is not a de Polignac number, because 697949755 - 2⁷ = 697949627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697949693 and 697949702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597 + ... + 37366.

It is an arithmetic number, because the mean of its divisors is an integer number (104723694).

Almost surely, 2^697949755 is an apocalyptic number.

697949755 is a deficient number, since it is larger than the sum of its proper divisors (139839797).

697949755 is a wasteful number, since it uses less digits than its factorization.

697949755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41645.

The product of its digits is 21432600, while the sum is 61.

The square root of 697949755 is about 26418.7387094842. The cubic root of 697949755 is about 887.0362870152.

The spelling of 697949755 in words is "six hundred ninety-seven million, nine hundred forty-nine thousand, seven hundred fifty-five".