68735470 has 16 divisors (see below), whose sum is σ = 124485840. Its totient is φ = 27324864.

The previous prime is 68735441. The next prime is 68735489. The reversal of 68735470 is 7453786.

It is a super-2 number, since 2×68735470² = 9449129672241800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19455 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (7780365).

Almost surely, 2^68735470 is an apocalyptic number.

68735470 is a deficient number, since it is larger than the sum of its proper divisors (55750370).

68735470 is a wasteful number, since it uses less digits than its factorization.

68735470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42339.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 68735470 is about 8290.6857376215. The cubic root of 68735470 is about 409.6317732959.

The spelling of 68735470 in words is "sixty-eight million, seven hundred thirty-five thousand, four hundred seventy".