80169725 has 6 divisors (see below), whose sum is σ = 99410490. Its totient is φ = 64135760.

The previous prime is 80169709. The next prime is 80169769. The reversal of 80169725 is 52796108.

It can be written as a sum of positive squares in 3 ways, for example, as 12716356 + 67453369 = 3566^2 + 8213^2 .

It is not a de Polignac number, because 80169725 - 2⁴ = 80169709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1603370 + ... + 1603419.

It is an arithmetic number, because the mean of its divisors is an integer number (16568415).

Almost surely, 2^80169725 is an apocalyptic number.

It is an amenable number.

80169725 is a deficient number, since it is larger than the sum of its proper divisors (19240765).

80169725 is a wasteful number, since it uses less digits than its factorization.

80169725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206799 (or 3206794 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 80169725 is about 8953.7547989656. The cubic root of 80169725 is about 431.1914406238.

The spelling of 80169725 in words is "eighty million, one hundred sixty-nine thousand, seven hundred twenty-five".