68703087 has 4 divisors (see below), whose sum is σ = 91604120. Its totient is φ = 45802056.

The previous prime is 68703071. The next prime is 68703091. The reversal of 68703087 is 78030786.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68703087 - 2⁴ = 68703071 is a prime.

It is a super-2 number, since 2×68703087² = 9440228326659138, 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 (68703007) 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 3 ways as a sum of consecutive naturals, for example, 11450512 + ... + 11450517.

It is an arithmetic number, because the mean of its divisors is an integer number (22901030).

Almost surely, 2^68703087 is an apocalyptic number.

68703087 is a deficient number, since it is larger than the sum of its proper divisors (22901033).

68703087 is a wasteful number, since it uses less digits than its factorization.

68703087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22901032.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 68703087 is about 8288.7325327821. The cubic root of 68703087 is about 409.5674339311.

The spelling of 68703087 in words is "sixty-eight million, seven hundred three thousand, eighty-seven".