68432770 has 16 divisors (see below), whose sum is σ = 140776128. Its totient is φ = 23462640.

The previous prime is 68432761. The next prime is 68432831. The reversal of 68432770 is 7723486.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488736 + ... + 488875.

It is an arithmetic number, because the mean of its divisors is an integer number (8798508).

Almost surely, 2^68432770 is an apocalyptic number.

68432770 is an abundant number, since it is smaller than the sum of its proper divisors (72343358).

68432770 is a wasteful number, since it uses less digits than its factorization.

68432770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977625.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 68432770 is about 8272.4101687477. The cubic root of 68432770 is about 409.0295708559.

The spelling of 68432770 in words is "sixty-eight million, four hundred thirty-two thousand, seven hundred seventy".