68074989 has 8 divisors (see below), whose sum is σ = 90855840. Its totient is φ = 45338736.

The previous prime is 68074973. The next prime is 68074999. The reversal of 68074989 is 98947086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68074989 - 2⁴ = 68074973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68074939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (11356980).

Almost surely, 2^68074989 is an apocalyptic number.

It is an amenable number.

68074989 is a deficient number, since it is larger than the sum of its proper divisors (22780851).

68074989 is a wasteful number, since it uses less digits than its factorization.

68074989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22299.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 68074989 is about 8250.7568743722. The cubic root of 68074989 is about 408.3154939127.

The spelling of 68074989 in words is "sixty-eight million, seventy-four thousand, nine hundred eighty-nine".