69676445 has 6 divisors (see below), whose sum is σ = 83634138. Its totient is φ = 55726224.

The previous prime is 69676441. The next prime is 69676447. The reversal of 69676445 is 54467696.

It can be written as a sum of positive squares in 3 ways, for example, as 9132484 + 60543961 = 3022^2 + 7781^2 .

It is not a de Polignac number, because 69676445 - 2² = 69676441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69676445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69676441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16799 + ... + 20531.

It is an arithmetic number, because the mean of its divisors is an integer number (13939023).

Almost surely, 2^69676445 is an apocalyptic number.

It is an amenable number.

69676445 is a deficient number, since it is larger than the sum of its proper divisors (13957693).

69676445 is an frugal number, since it uses more digits than its factorization.

69676445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471 (or 3738 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 69676445 is about 8347.2417600067. The cubic root of 69676445 is about 411.4925669934.

The spelling of 69676445 in words is "sixty-nine million, six hundred seventy-six thousand, four hundred forty-five".