68092905 has 32 divisors (see below), whose sum is σ = 117013248. Its totient is φ = 33689600.

The previous prime is 68092891. The next prime is 68093027. The reversal of 68092905 is 50929086.

It is a happy number.

It is not a de Polignac number, because 68092905 - 2⁴ = 68092889 is a prime.

It is a super-2 number, since 2×68092905² = 9273287422678050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16225 + ... + 19985.

It is an arithmetic number, because the mean of its divisors is an integer number (3656664).

Almost surely, 2^68092905 is an apocalyptic number.

It is an amenable number.

68092905 is a deficient number, since it is larger than the sum of its proper divisors (48920343).

68092905 is a wasteful number, since it uses less digits than its factorization.

68092905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 68092905 is about 8251.8425215221. The cubic root of 68092905 is about 408.3513109767.

The spelling of 68092905 in words is "sixty-eight million, ninety-two thousand, nine hundred five".