69776213 has 12 divisors (see below), whose sum is σ = 76174848. Its totient is φ = 63882000.

The previous prime is 69776209. The next prime is 69776221. The reversal of 69776213 is 31267796.

It is not a de Polignac number, because 69776213 - 2² = 69776209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69776713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19838 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (6347904).

Almost surely, 2^69776213 is an apocalyptic number.

It is an amenable number.

69776213 is a deficient number, since it is larger than the sum of its proper divisors (6398635).

69776213 is a wasteful number, since it uses less digits than its factorization.

69776213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3391 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 69776213 is about 8353.2157280894. The cubic root of 69776213 is about 411.6888753793.

The spelling of 69776213 in words is "sixty-nine million, seven hundred seventy-six thousand, two hundred thirteen".