68674739 has 8 divisors (see below), whose sum is σ = 79295328. Its totient is φ = 58256640.

The previous prime is 68674729. The next prime is 68674777. The reversal of 68674739 is 93747686.

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

It is a cyclic number.

It is not a de Polignac number, because 68674739 - 2¹² = 68670643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68674729) 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, 49892 + ... + 51249.

It is an arithmetic number, because the mean of its divisors is an integer number (9911916).

Almost surely, 2^68674739 is an apocalyptic number.

68674739 is a deficient number, since it is larger than the sum of its proper divisors (10620589).

68674739 is a wasteful number, since it uses less digits than its factorization.

68674739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101245.

The product of its digits is 1524096, while the sum is 50.

The square root of 68674739 is about 8287.0223240920. The cubic root of 68674739 is about 409.5110948088.

The spelling of 68674739 in words is "sixty-eight million, six hundred seventy-four thousand, seven hundred thirty-nine".