69276961 has 4 divisors (see below), whose sum is σ = 74605972. Its totient is φ = 63947952.

The previous prime is 69276959. The next prime is 69276967. The reversal of 69276961 is 16967296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31528225 + 37748736 = 5615^2 + 6144^2 .

It is a cyclic number.

It is not a de Polignac number, because 69276961 - 2¹ = 69276959 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69276967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664486 + ... + 2664511.

It is an arithmetic number, because the mean of its divisors is an integer number (18651493).

Almost surely, 2^69276961 is an apocalyptic number.

It is an amenable number.

69276961 is a deficient number, since it is larger than the sum of its proper divisors (5329011).

69276961 is a wasteful number, since it uses less digits than its factorization.

69276961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329010.

The product of its digits is 244944, while the sum is 46.

The square root of 69276961 is about 8323.2782603972. The cubic root of 69276961 is about 410.7046399636.

The spelling of 69276961 in words is "sixty-nine million, two hundred seventy-six thousand, nine hundred sixty-one".