68287051 has 8 divisors (see below), whose sum is σ = 78320384. Its totient is φ = 58323240.

The previous prime is 68287033. The next prime is 68287061. The reversal of 68287051 is 15078286.

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 68287051 - 2¹⁷ = 68155979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68287051.

It is not an unprimeable number, because it can be changed into a prime (68287031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15255 + ... + 19216.

It is an arithmetic number, because the mean of its divisors is an integer number (9790048).

Almost surely, 2^68287051 is an apocalyptic number.

68287051 is a deficient number, since it is larger than the sum of its proper divisors (10033333).

68287051 is a wasteful number, since it uses less digits than its factorization.

68287051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34761.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68287051 is about 8263.5979452052. The cubic root of 68287051 is about 408.7390388192.

The spelling of 68287051 in words is "sixty-eight million, two hundred eighty-seven thousand, fifty-one".