69974361 has 20 divisors (see below), whose sum is σ = 108137700. Its totient is φ = 45039456.

The previous prime is 69974357. The next prime is 69974371. The reversal of 69974361 is 16347996.

69974361 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 16040025 + 53934336 = 4005^2 + 7344^2 .

It is not a de Polignac number, because 69974361 - 2² = 69974357 is a prime.

It is a super-2 number, since 2×69974361² = 9792822394716642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69974341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12546 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (5406885).

Almost surely, 2^69974361 is an apocalyptic number.

It is an amenable number.

69974361 is a deficient number, since it is larger than the sum of its proper divisors (38163339).

69974361 is a wasteful number, since it uses less digits than its factorization.

69974361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29830 (or 29821 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 69974361 is about 8365.0679016969. The cubic root of 69974361 is about 412.0782068679.

The spelling of 69974361 in words is "sixty-nine million, nine hundred seventy-four thousand, three hundred sixty-one".