69986442 has 8 divisors (see below), whose sum is σ = 139972896. Its totient is φ = 23328812.

The previous prime is 69986429. The next prime is 69986471. The reversal of 69986442 is 24468996.

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

69986442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 69986391 and 69986400.

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, 5832198 + ... + 5832209.

It is an arithmetic number, because the mean of its divisors is an integer number (17496612).

Almost surely, 2^69986442 is an apocalyptic number.

69986442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

69986442 is a wasteful number, since it uses less digits than its factorization.

69986442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664412.

The product of its digits is 746496, while the sum is 48.

The square root of 69986442 is about 8365.7899806294. The cubic root of 69986442 is about 412.1019204599.

The spelling of 69986442 in words is "sixty-nine million, nine hundred eighty-six thousand, four hundred forty-two".