81074483 has 16 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 67171776.

The previous prime is 81074453. The next prime is 81074491. The reversal of 81074483 is 38447018.

It is a happy number.

It is not a de Polignac number, because 81074483 - 2⁶ = 81074419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (81074423) 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 15 ways as a sum of consecutive naturals, for example, 25823 + ... + 28791.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^81074483 is an apocalyptic number.

81074483 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

81074483 is a deficient number, since it is larger than the sum of its proper divisors (14725837).

81074483 is a wasteful number, since it uses less digits than its factorization.

81074483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 81074483 is about 9004.1369936269. The cubic root of 81074483 is about 432.8074515426.

The spelling of 81074483 in words is "eighty-one million, seventy-four thousand, four hundred eighty-three".