71455994 has 8 divisors (see below), whose sum is σ = 107692608. Its totient is φ = 35558460.

The previous prime is 71455973. The next prime is 71455997. The reversal of 71455994 is 49955417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71455997) 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, 84242 + ... + 85085.

It is an arithmetic number, because the mean of its divisors is an integer number (13461576).

Almost surely, 2^71455994 is an apocalyptic number.

71455994 is a deficient number, since it is larger than the sum of its proper divisors (36236614).

71455994 is a wasteful number, since it uses less digits than its factorization.

71455994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169540.

The product of its digits is 226800, while the sum is 44.

The square root of 71455994 is about 8453.1647328087. The cubic root of 71455994 is about 414.9663571702.

The spelling of 71455994 in words is "seventy-one million, four hundred fifty-five thousand, nine hundred ninety-four".