67661094 has 16 divisors (see below), whose sum is σ = 135475632. Its totient is φ = 22528128.

The previous prime is 67661057. The next prime is 67661117. The reversal of 67661094 is 49016676.

It is a congruent number.

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, 199 + ... + 11634.

It is an arithmetic number, because the mean of its divisors is an integer number (8467227).

Almost surely, 2^67661094 is an apocalyptic number.

67661094 is an abundant number, since it is smaller than the sum of its proper divisors (67814538).

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

67661094 is a wasteful number, since it uses less digits than its factorization.

67661094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 67661094 is about 8225.6363887544. The cubic root of 67661094 is about 407.4862935910.

The spelling of 67661094 in words is "sixty-seven million, six hundred sixty-one thousand, ninety-four".