68926749 has 4 divisors (see below), whose sum is σ = 91902336. Its totient is φ = 45951164.

The previous prime is 68926727. The next prime is 68926763. The reversal of 68926749 is 94762986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68926749 - 2⁵ = 68926717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68926709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11487789 + ... + 11487794.

It is an arithmetic number, because the mean of its divisors is an integer number (22975584).

Almost surely, 2^68926749 is an apocalyptic number.

It is an amenable number.

68926749 is a deficient number, since it is larger than the sum of its proper divisors (22975587).

68926749 is a wasteful number, since it uses less digits than its factorization.

68926749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22975586.

The product of its digits is 1306368, while the sum is 51.

The square root of 68926749 is about 8302.2135000252. The cubic root of 68926749 is about 410.0113996434.

The spelling of 68926749 in words is "sixty-eight million, nine hundred twenty-six thousand, seven hundred forty-nine".