68531374 has 4 divisors (see below), whose sum is σ = 102797064. Its totient is φ = 34265686.

The previous prime is 68531371. The next prime is 68531383. The reversal of 68531374 is 47313586.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68531371) 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 as a sum of consecutive naturals, namely, 17132842 + ... + 17132845.

It is an arithmetic number, because the mean of its divisors is an integer number (25699266).

Almost surely, 2^68531374 is an apocalyptic number.

68531374 is a deficient number, since it is larger than the sum of its proper divisors (34265690).

68531374 is a wasteful number, since it uses less digits than its factorization.

68531374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34265689.

The product of its digits is 60480, while the sum is 37.

The square root of 68531374 is about 8278.3678343016. The cubic root of 68531374 is about 409.2259319268.

The spelling of 68531374 in words is "sixty-eight million, five hundred thirty-one thousand, three hundred seventy-four".