71199441 has 24 divisors (see below), whose sum is σ = 108781920. Its totient is φ = 44750016.

The previous prime is 71199431. The next prime is 71199449. The reversal of 71199441 is 14499117.

It is not a de Polignac number, because 71199441 - 2⁵ = 71199409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71199396 and 71199405.

It is not an unprimeable number, because it can be changed into a prime (71199449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38950 + ... + 40736.

It is an arithmetic number, because the mean of its divisors is an integer number (4532580).

Almost surely, 2^71199441 is an apocalyptic number.

It is an amenable number.

71199441 is a deficient number, since it is larger than the sum of its proper divisors (37582479).

71199441 is a wasteful number, since it uses less digits than its factorization.

71199441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2042 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 71199441 is about 8437.9761198998. The cubic root of 71199441 is about 414.4691349234.

The spelling of 71199441 in words is "seventy-one million, one hundred ninety-nine thousand, four hundred forty-one".