71794081 has 4 divisors (see below), whose sum is σ = 71876272. Its totient is φ = 71711892.

The previous prime is 71794067. The next prime is 71794117. The reversal of 71794081 is 18049717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71794081 - 2¹¹ = 71792033 is a prime.

It is a super-2 number, since 2×71794081² = 10308780133269122, which contains 22 as substring.

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 71794081.

It is not an unprimeable number, because it can be changed into a prime (71794001) 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, 39771 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (17969068).

Almost surely, 2^71794081 is an apocalyptic number.

It is an amenable number.

71794081 is a deficient number, since it is larger than the sum of its proper divisors (82191).

71794081 is an equidigital number, since it uses as much as digits as its factorization.

71794081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82190.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 71794081 is about 8473.1387926789. The cubic root of 71794081 is about 415.6197851947.

The spelling of 71794081 in words is "seventy-one million, seven hundred ninety-four thousand, eighty-one".