68492851 has 16 divisors (see below), whose sum is σ = 80464384. Its totient is φ = 57081024.

The previous prime is 68492849. The next prime is 68492861. The reversal of 68492851 is 15829486.

It is a happy number.

It is not a de Polignac number, because 68492851 - 2¹ = 68492849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 68492798 and 68492807.

It is not an unprimeable number, because it can be changed into a prime (68492861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93850 + ... + 94576.

It is an arithmetic number, because the mean of its divisors is an integer number (5029024).

Almost surely, 2^68492851 is an apocalyptic number.

68492851 is a deficient number, since it is larger than the sum of its proper divisors (11971533).

68492851 is a wasteful number, since it uses less digits than its factorization.

68492851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its digits is 138240, while the sum is 43.

The square root of 68492851 is about 8276.0407804698. The cubic root of 68492851 is about 409.1492392412.

The spelling of 68492851 in words is "sixty-eight million, four hundred ninety-two thousand, eight hundred fifty-one".