69997190 has 16 divisors (see below), whose sum is σ = 126091728. Its totient is φ = 27977376.

The previous prime is 69997183. The next prime is 69997199. The reversal of 69997190 is 9179996.

It is a super-2 number, since 2×69997190² = 9799213215792200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69997199) 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, 20549 + ... + 23711.

It is an arithmetic number, because the mean of its divisors is an integer number (7880733).

Almost surely, 2^69997190 is an apocalyptic number.

69997190 is a deficient number, since it is larger than the sum of its proper divisors (56094538).

69997190 is a wasteful number, since it uses less digits than its factorization.

69997190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 69997190 is about 8366.4323340358. The cubic root of 69997190 is about 412.1230152348.

The spelling of 69997190 in words is "sixty-nine million, nine hundred ninety-seven thousand, one hundred ninety".