69276989 has 16 divisors (see below), whose sum is σ = 78008832. Its totient is φ = 61171968.

The previous prime is 69276979. The next prime is 69277001. The reversal of 69276989 is 98967296.

It is a cyclic number.

It is not a de Polignac number, because 69276989 - 2⁴ = 69276973 is a prime.

It is a super-2 number, since 2×69276989² = 9598602409812242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69276929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19052 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (4875552).

Almost surely, 2^69276989 is an apocalyptic number.

It is an amenable number.

69276989 is a deficient number, since it is larger than the sum of its proper divisors (8731843).

69276989 is a wasteful number, since it uses less digits than its factorization.

69276989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436.

The product of its digits is 2939328, while the sum is 56.

The square root of 69276989 is about 8323.2799424265. The cubic root of 69276989 is about 410.7046952957.

The spelling of 69276989 in words is "sixty-nine million, two hundred seventy-six thousand, nine hundred eighty-nine".