69725090 has 8 divisors (see below), whose sum is σ = 125505180. Its totient is φ = 27890032.

The previous prime is 69725087. The next prime is 69725119. The reversal of 69725090 is 9052796.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 1646089 = 8251^2 + 1283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486245 + ... + 3486264.

Almost surely, 2^69725090 is an apocalyptic number.

69725090 is a deficient number, since it is larger than the sum of its proper divisors (55780090).

69725090 is a wasteful number, since it uses less digits than its factorization.

69725090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972516.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 69725090 is about 8350.1550883801. The cubic root of 69725090 is about 411.5883066626.

The spelling of 69725090 in words is "sixty-nine million, seven hundred twenty-five thousand, ninety".