690071117 has 8 divisors (see below), whose sum is σ = 701662080. Its totient is φ = 678538080.

The previous prime is 690071113. The next prime is 690071131. The reversal of 690071117 is 711170096.

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 690071117 - 2² = 690071113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690071111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9884 + ... + 38442.

It is an arithmetic number, because the mean of its divisors is an integer number (87707760).

Almost surely, 2^690071117 is an apocalyptic number.

It is an amenable number.

690071117 is a deficient number, since it is larger than the sum of its proper divisors (11590963).

690071117 is a wasteful number, since it uses less digits than its factorization.

690071117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28963.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 690071117 is about 26269.2047272086. The cubic root of 690071117 is about 883.6859501031.

The spelling of 690071117 in words is "six hundred ninety million, seventy-one thousand, one hundred seventeen".