86723734 has 16 divisors (see below), whose sum is σ = 132077088. Its totient is φ = 42702912.

The previous prime is 86723729. The next prime is 86723737. The reversal of 86723734 is 43732768.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86723737) 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, 39514 + ... + 41650.

It is an arithmetic number, because the mean of its divisors is an integer number (8254818).

Almost surely, 2^86723734 is an apocalyptic number.

86723734 is a deficient number, since it is larger than the sum of its proper divisors (45353354).

86723734 is a wasteful number, since it uses less digits than its factorization.

86723734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its digits is 169344, while the sum is 40.

The square root of 86723734 is about 9312.5578655920. The cubic root of 86723734 is about 442.6352426898.

The spelling of 86723734 in words is "eighty-six million, seven hundred twenty-three thousand, seven hundred thirty-four".