71294261 has 12 divisors (see below), whose sum is σ = 73634880. Its totient is φ = 69012840.

The previous prime is 71294257. The next prime is 71294263. The reversal of 71294261 is 16249217.

It is a happy number.

It is not a de Polignac number, because 71294261 - 2² = 71294257 is a prime.

It is a super-2 number, since 2×71294261² = 10165743303072242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71294263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544166 + ... + 544296.

It is an arithmetic number, because the mean of its divisors is an integer number (6136240).

Almost surely, 2^71294261 is an apocalyptic number.

It is an amenable number.

71294261 is a deficient number, since it is larger than the sum of its proper divisors (2340619).

71294261 is an equidigital number, since it uses as much as digits as its factorization.

71294261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 293 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 71294261 is about 8443.5928963919. The cubic root of 71294261 is about 414.6530433445.

The spelling of 71294261 in words is "seventy-one million, two hundred ninety-four thousand, two hundred sixty-one".