71494441 has 4 divisors (see below), whose sum is σ = 71656272. Its totient is φ = 71332612.

The previous prime is 71494439. The next prime is 71494453. The reversal of 71494441 is 14449417.

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 71494441 - 2¹ = 71494439 is a prime.

It is a super-2 number, since 2×71494441² = 10222910187804962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71494397 and 71494406.

It is not an unprimeable number, because it can be changed into a prime (71494411) 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, 80251 + ... + 81136.

It is an arithmetic number, because the mean of its divisors is an integer number (17914068).

Almost surely, 2^71494441 is an apocalyptic number.

It is an amenable number.

71494441 is a deficient number, since it is larger than the sum of its proper divisors (161831).

71494441 is a wasteful number, since it uses less digits than its factorization.

71494441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161830.

The product of its digits is 16128, while the sum is 34.

The square root of 71494441 is about 8455.4385456935. The cubic root of 71494441 is about 415.0407682405.

The spelling of 71494441 in words is "seventy-one million, four hundred ninety-four thousand, four hundred forty-one".