68637094 has 4 divisors (see below), whose sum is σ = 102955644. Its totient is φ = 34318546.

The previous prime is 68637089. The next prime is 68637133. The reversal of 68637094 is 49073686.

It is a happy number.

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

It is a super-2 number, since 2×68637094² = 9422101345529672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68637094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17159272 + ... + 17159275.

It is an arithmetic number, because the mean of its divisors is an integer number (25738911).

Almost surely, 2^68637094 is an apocalyptic number.

68637094 is a deficient number, since it is larger than the sum of its proper divisors (34318550).

68637094 is a wasteful number, since it uses less digits than its factorization.

68637094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34318549.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 68637094 is about 8284.7506902743. The cubic root of 68637094 is about 409.4362547580.

The spelling of 68637094 in words is "sixty-eight million, six hundred thirty-seven thousand, ninety-four".