68907261 has 16 divisors (see below), whose sum is σ = 94141440. Its totient is φ = 44815680.

The previous prime is 68907253. The next prime is 68907269. The reversal of 68907261 is 16270986.

It is an interprime number because it is at equal distance from previous prime (68907253) and next prime (68907269).

It is not a de Polignac number, because 68907261 - 2³ = 68907253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68907269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29235 + ... + 31503.

It is an arithmetic number, because the mean of its divisors is an integer number (5883840).

Almost surely, 2^68907261 is an apocalyptic number.

It is an amenable number.

68907261 is a deficient number, since it is larger than the sum of its proper divisors (25234179).

68907261 is a wasteful number, since it uses less digits than its factorization.

68907261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 68907261 is about 8301.0397541513. The cubic root of 68907261 is about 409.9727544854.

The spelling of 68907261 in words is "sixty-eight million, nine hundred seven thousand, two hundred sixty-one".