68937406 has 4 divisors (see below), whose sum is σ = 103406112. Its totient is φ = 34468702.

The previous prime is 68937361. The next prime is 68937419. The reversal of 68937406 is 60473986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60473986 = 2 ⋅30236993.

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, 17234350 + ... + 17234353.

It is an arithmetic number, because the mean of its divisors is an integer number (25851528).

Almost surely, 2^68937406 is an apocalyptic number.

68937406 is a deficient number, since it is larger than the sum of its proper divisors (34468706).

68937406 is a wasteful number, since it uses less digits than its factorization.

68937406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34468705.

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

The square root of 68937406 is about 8302.8552920065. The cubic root of 68937406 is about 410.0325296419.

The spelling of 68937406 in words is "sixty-eight million, nine hundred thirty-seven thousand, four hundred six".