69240653 has 8 divisors (see below), whose sum is σ = 71221272. Its totient is φ = 67265856.

The previous prime is 69240641. The next prime is 69240667. The reversal of 69240653 is 35604296.

It can be written as a sum of positive squares in 4 ways, for example, as 41499364 + 27741289 = 6442^2 + 5267^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 69240653 - 2¹⁴ = 69224269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69240623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35951 + ... + 37827.

It is an arithmetic number, because the mean of its divisors is an integer number (8902659).

Almost surely, 2^69240653 is an apocalyptic number.

It is an amenable number.

69240653 is a deficient number, since it is larger than the sum of its proper divisors (1980619).

69240653 is a wasteful number, since it uses less digits than its factorization.

69240653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 69240653 is about 8321.0968627940. The cubic root of 69240653 is about 410.6328774338.

The spelling of 69240653 in words is "sixty-nine million, two hundred forty thousand, six hundred fifty-three".