69080445 has 90 divisors (see below), whose sum is σ = 146533662. Its totient is φ = 31044384.

The previous prime is 69080441. The next prime is 69080461. The reversal of 69080445 is 54408096.

It can be written as a sum of positive squares in only one way, i.e., 55264356 + 13816089 = 7434^2 + 3717^2 .

It is not a de Polignac number, because 69080445 - 2² = 69080441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69080441) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1170826 + ... + 1170884.

Almost surely, 2^69080445 is an apocalyptic number.

It is an amenable number.

69080445 is an abundant number, since it is smaller than the sum of its proper divisors (77453217).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69080445 is an equidigital number, since it uses as much as digits as its factorization.

69080445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 69080445 is about 8311.4646723667. The cubic root of 69080445 is about 410.3159274281.

The spelling of 69080445 in words is "sixty-nine million, eighty thousand, four hundred forty-five".