86274742 has 16 divisors (see below), whose sum is σ = 133821072. Its totient is φ = 41687680.

The previous prime is 86274733. The next prime is 86274743. The reversal of 86274742 is 24747268.

It is a super-2 number, since 2×86274742² = 14886662214333128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86274695 and 86274704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86274743) 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, 3858 + ... + 13690.

It is an arithmetic number, because the mean of its divisors is an integer number (8363817).

Almost surely, 2^86274742 is an apocalyptic number.

86274742 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

86274742 is a deficient number, since it is larger than the sum of its proper divisors (47546330).

86274742 is a wasteful number, since it uses less digits than its factorization.

86274742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its digits is 150528, while the sum is 40.

The square root of 86274742 is about 9288.4197794889. The cubic root of 86274742 is about 441.8700402098.

The spelling of 86274742 in words is "eighty-six million, two hundred seventy-four thousand, seven hundred forty-two".