91744234 has 8 divisors (see below), whose sum is σ = 137745540. Its totient is φ = 45829056.

The previous prime is 91744229. The next prime is 91744253. The reversal of 91744234 is 43244719.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84695209 + 7049025 = 9203^2 + 2655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 91744234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18799 + ... + 23170.

Almost surely, 2^91744234 is an apocalyptic number.

91744234 is a deficient number, since it is larger than the sum of its proper divisors (46001306).

91744234 is a wasteful number, since it uses less digits than its factorization.

91744234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43064.

The product of its digits is 24192, while the sum is 34.

The square root of 91744234 is about 9578.3210428551. The cubic root of 91744234 is about 451.0170150070.

The spelling of 91744234 in words is "ninety-one million, seven hundred forty-four thousand, two hundred thirty-four".