68054749 has 4 divisors (see below), whose sum is σ = 77776864. Its totient is φ = 58332636.

The previous prime is 68054741. The next prime is 68054759. The reversal of 68054749 is 94745086.

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 68054749 - 2³ = 68054741 is a prime.

It is a super-2 number, since 2×68054749² = 9262897722906002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68054741) 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, 4861047 + ... + 4861060.

It is an arithmetic number, because the mean of its divisors is an integer number (19444216).

Almost surely, 2^68054749 is an apocalyptic number.

It is an amenable number.

68054749 is a deficient number, since it is larger than the sum of its proper divisors (9722115).

68054749 is an equidigital number, since it uses as much as digits as its factorization.

68054749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722114.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 68054749 is about 8249.5302290494. The cubic root of 68054749 is about 408.2750232254.

The spelling of 68054749 in words is "sixty-eight million, fifty-four thousand, seven hundred forty-nine".