71294385 has 16 divisors (see below), whose sum is σ = 115202880. Its totient is φ = 37646400.

The previous prime is 71294369. The next prime is 71294401. The reversal of 71294385 is 58349217.

It is an interprime number because it is at equal distance from previous prime (71294369) and next prime (71294401).

It is not a de Polignac number, because 71294385 - 2⁴ = 71294369 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22015 + ... + 25044.

It is an arithmetic number, because the mean of its divisors is an integer number (7200180).

Almost surely, 2^71294385 is an apocalyptic number.

It is an amenable number.

71294385 is a deficient number, since it is larger than the sum of its proper divisors (43908495).

71294385 is a wasteful number, since it uses less digits than its factorization.

71294385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47168.

The product of its digits is 60480, while the sum is 39.

The square root of 71294385 is about 8443.6002392344. The cubic root of 71294385 is about 414.6532837423.

The spelling of 71294385 in words is "seventy-one million, two hundred ninety-four thousand, three hundred eighty-five".