91012034 has 8 divisors (see below), whose sum is σ = 141225660. Its totient is φ = 43936816.

The previous prime is 91011979. The next prime is 91012039. The reversal of 91012034 is 43021019.

It can be written as a sum of positive squares in 2 ways, for example, as 90193009 + 819025 = 9497^2 + 905^2 .

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

It is a super-4 number, since 4×91012034⁴ (a number of 33 digits) contains 4444 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91011997 and 91012015.

It is not an unprimeable number, because it can be changed into a prime (91012039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784529 + ... + 784644.

Almost surely, 2^91012034 is an apocalyptic number.

91012034 is a deficient number, since it is larger than the sum of its proper divisors (50213626).

91012034 is a wasteful number, since it uses less digits than its factorization.

91012034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569204.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 91012034 is about 9540.0227463041. The cubic root of 91012034 is about 449.8139708431.

The spelling of 91012034 in words is "ninety-one million, twelve thousand, thirty-four".