69990216 has 32 divisors (see below), whose sum is σ = 175188960. Its totient is φ = 23301632.

The previous prime is 69990211. The next prime is 69990227. The reversal of 69990216 is 61209996.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69990211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29656 + ... + 31928.

It is an arithmetic number, because the mean of its divisors is an integer number (5474655).

Almost surely, 2^69990216 is an apocalyptic number.

It is an amenable number.

69990216 is an abundant number, since it is smaller than the sum of its proper divisors (105198744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69990216 is a wasteful number, since it uses less digits than its factorization.

69990216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 69990216 is about 8366.0155390723. The cubic root of 69990216 is about 412.1093278217.

The spelling of 69990216 in words is "sixty-nine million, nine hundred ninety thousand, two hundred sixteen".