69986441 has 8 divisors (see below), whose sum is σ = 80097024. Its totient is φ = 59904000.

The previous prime is 69986429. The next prime is 69986471. The reversal of 69986441 is 14468996.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 69986441 - 2¹⁸ = 69724297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69986471) 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, 1400 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (10012128).

Almost surely, 2^69986441 is an apocalyptic number.

It is an amenable number.

69986441 is a deficient number, since it is larger than the sum of its proper divisors (10110583).

69986441 is a wasteful number, since it uses less digits than its factorization.

69986441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071.

The product of its digits is 373248, while the sum is 47.

The square root of 69986441 is about 8365.7899208622. The cubic root of 69986441 is about 412.1019184971.

The spelling of 69986441 in words is "sixty-nine million, nine hundred eighty-six thousand, four hundred forty-one".