68700534 has 16 divisors (see below), whose sum is σ = 157029888. Its totient is φ = 19628712.

The previous prime is 68700521. The next prime is 68700559. The reversal of 68700534 is 43500786.

It is a junction number, because it is equal to n+sod(n) for n = 68700495 and 68700504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817822 + ... + 817905.

It is an arithmetic number, because the mean of its divisors is an integer number (9814368).

Almost surely, 2^68700534 is an apocalyptic number.

68700534 is an abundant number, since it is smaller than the sum of its proper divisors (88329354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68700534 is a wasteful number, since it uses less digits than its factorization.

68700534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635739.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68700534 is about 8288.5785271058. The cubic root of 68700534 is about 409.5623607063.

Multiplying 68700534 by its sum of digits (33), we get a palindrome (2267117622).

The spelling of 68700534 in words is "sixty-eight million, seven hundred thousand, five hundred thirty-four".