82067491 has 8 divisors (see below), whose sum is σ = 90662400. Its totient is φ = 73661640.

The previous prime is 82067437. The next prime is 82067497. The reversal of 82067491 is 19476028.

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

It is a cyclic number.

It is not a de Polignac number, because 82067491 - 2⁹ = 82066979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82067491.

It is not an unprimeable number, because it can be changed into a prime (82067497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46351 + ... + 48088.

It is an arithmetic number, because the mean of its divisors is an integer number (11332800).

Almost surely, 2^82067491 is an apocalyptic number.

82067491 is a deficient number, since it is larger than the sum of its proper divisors (8594909).

82067491 is a wasteful number, since it uses less digits than its factorization.

82067491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94529.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82067491 is about 9059.1109387180. The cubic root of 82067491 is about 434.5673083299.

The spelling of 82067491 in words is "eighty-two million, sixty-seven thousand, four hundred ninety-one".