69760945 has 16 divisors (see below), whose sum is σ = 89561808. Its totient is φ = 51978240.

The previous prime is 69760939. The next prime is 69760949. The reversal of 69760945 is 54906796.

It can be written as a sum of positive squares in 8 ways, for example, as 3810304 + 65950641 = 1952^2 + 8121^2 .

It is a de Polignac number, because none of the positive numbers 2^k-69760945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69760895 and 69760904.

It is not an unprimeable number, because it can be changed into a prime (69760949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (5597613).

Almost surely, 2^69760945 is an apocalyptic number.

It is an amenable number.

69760945 is a deficient number, since it is larger than the sum of its proper divisors (19800863).

69760945 is a wasteful number, since it uses less digits than its factorization.

69760945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 69760945 is about 8352.3017785518. The cubic root of 69760945 is about 411.6588454498.

The spelling of 69760945 in words is "sixty-nine million, seven hundred sixty thousand, nine hundred forty-five".