69897074 has 8 divisors (see below), whose sum is σ = 112910700. Its totient is φ = 32260176.

The previous prime is 69897019. The next prime is 69897077. The reversal of 69897074 is 47079896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56625625 + 13271449 = 7525^2 + 3643^2 .

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

It is a super-2 number, since 2×69897074² = 9771201907522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69897077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344149 + ... + 1344200.

Almost surely, 2^69897074 is an apocalyptic number.

69897074 is a deficient number, since it is larger than the sum of its proper divisors (43013626).

69897074 is a wasteful number, since it uses less digits than its factorization.

69897074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688364.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 69897074 is about 8360.4469976192. The cubic root of 69897074 is about 411.9264368927.

The spelling of 69897074 in words is "sixty-nine million, eight hundred ninety-seven thousand, seventy-four".