69042725 has 12 divisors (see below), whose sum is σ = 86143296. Its totient is φ = 54892080.

The previous prime is 69042719. The next prime is 69042749. The reversal of 69042725 is 52724096.

It is not a de Polignac number, because 69042725 - 2⁴ = 69042709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4397 + ... + 12546.

It is an arithmetic number, because the mean of its divisors is an integer number (7178608).

Almost surely, 2^69042725 is an apocalyptic number.

It is an amenable number.

69042725 is a deficient number, since it is larger than the sum of its proper divisors (17100571).

69042725 is a wasteful number, since it uses less digits than its factorization.

69042725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116 (or 17111 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 69042725 is about 8309.1952077202. The cubic root of 69042725 is about 410.2412322201.

The spelling of 69042725 in words is "sixty-nine million, forty-two thousand, seven hundred twenty-five".