69890516 has 6 divisors (see below), whose sum is σ = 122308410. Its totient is φ = 34945256.

The previous prime is 69890507. The next prime is 69890533. The reversal of 69890516 is 61509896.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 24462916 = 6740^2 + 4946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8736311 + ... + 8736318.

It is an arithmetic number, because the mean of its divisors is an integer number (20384735).

Almost surely, 2^69890516 is an apocalyptic number.

It is an amenable number.

69890516 is a deficient number, since it is larger than the sum of its proper divisors (52417894).

69890516 is a wasteful number, since it uses less digits than its factorization.

69890516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17472633 (or 17472631 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 69890516 is about 8360.0547845095. The cubic root of 69890516 is about 411.9135536731.

The spelling of 69890516 in words is "sixty-nine million, eight hundred ninety thousand, five hundred sixteen".