68792090 has 16 divisors (see below), whose sum is σ = 124803072. Its totient is φ = 27299664.

The previous prime is 68792083. The next prime is 68792093. The reversal of 68792090 is 9029786.

It is not an unprimeable number, because it can be changed into a prime (68792093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25814 + ... + 28353.

It is an arithmetic number, because the mean of its divisors is an integer number (7800192).

Almost surely, 2^68792090 is an apocalyptic number.

68792090 is a deficient number, since it is larger than the sum of its proper divisors (56010982).

68792090 is a wasteful number, since it uses less digits than its factorization.

68792090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54301.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 68792090 is about 8294.0997100348. The cubic root of 68792090 is about 409.7442188086.

The spelling of 68792090 in words is "sixty-eight million, seven hundred ninety-two thousand, ninety".