68674906 has 4 divisors (see below), whose sum is σ = 103012362. Its totient is φ = 34337452.

The previous prime is 68674901. The next prime is 68674919. The reversal of 68674906 is 60947686.

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

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 16329681 = 7235^2 + 4041^2 .

It is not an unprimeable number, because it can be changed into a prime (68674901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17168725 + ... + 17168728.

Almost surely, 2^68674906 is an apocalyptic number.

68674906 is a deficient number, since it is larger than the sum of its proper divisors (34337456).

68674906 is a wasteful number, since it uses less digits than its factorization.

68674906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34337455.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 68674906 is about 8287.0324000815. The cubic root of 68674906 is about 409.5114267518.

The spelling of 68674906 in words is "sixty-eight million, six hundred seventy-four thousand, nine hundred six".