67427694 has 32 divisors (see below), whose sum is σ = 157728000. Its totient is φ = 21292632.

The previous prime is 67427693. The next prime is 67427699. The reversal of 67427694 is 49672476.

67427694 = 285² + 286² + ... + 608².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67427693) 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 15 ways as a sum of consecutive naturals, for example, 31834 + ... + 33885.

It is an arithmetic number, because the mean of its divisors is an integer number (4929000).

Almost surely, 2^67427694 is an apocalyptic number.

67427694 is an abundant number, since it is smaller than the sum of its proper divisors (90300306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67427694 is a wasteful number, since it uses less digits than its factorization.

67427694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65749 (or 65743 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 67427694 is about 8211.4367804910. The cubic root of 67427694 is about 407.0172063389.

It can be divided in two parts, 67427 and 694, that added together give a square (68121 = 261²).

The spelling of 67427694 in words is "sixty-seven million, four hundred twenty-seven thousand, six hundred ninety-four".