69890074 has 8 divisors (see below), whose sum is σ = 105105780. Its totient is φ = 34854816.

The previous prime is 69890071. The next prime is 69890099. The reversal of 69890074 is 47009896.

It can be written as a sum of positive squares in 2 ways, for example, as 69839449 + 50625 = 8357^2 + 225^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 69890074.

It is not an unprimeable number, because it can be changed into a prime (69890071) 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, 44139 + ... + 45694.

Almost surely, 2^69890074 is an apocalyptic number.

69890074 is a deficient number, since it is larger than the sum of its proper divisors (35215706).

69890074 is a wasteful number, since it uses less digits than its factorization.

69890074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90224.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 69890074 is about 8360.0283492342. The cubic root of 69890074 is about 411.9126853332.

The spelling of 69890074 in words is "sixty-nine million, eight hundred ninety thousand, seventy-four".