69981064 has 16 divisors (see below), whose sum is σ = 132249600. Its totient is φ = 34714512.

The previous prime is 69981053. The next prime is 69981071. The reversal of 69981064 is 46018996.

It is a self number, because there is not a number n which added to its sum of digits gives 69981064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33424 + ... + 35455.

It is an arithmetic number, because the mean of its divisors is an integer number (8265600).

Almost surely, 2^69981064 is an apocalyptic number.

It is an amenable number.

69981064 is a deficient number, since it is larger than the sum of its proper divisors (62268536).

69981064 is a wasteful number, since it uses less digits than its factorization.

69981064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69012 (or 69008 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 69981064 is about 8365.4685463517. The cubic root of 69981064 is about 412.0913644111.

The spelling of 69981064 in words is "sixty-nine million, nine hundred eighty-one thousand, sixty-four".