71455814 has 4 divisors (see below), whose sum is σ = 107183724. Its totient is φ = 35727906.

The previous prime is 71455807. The next prime is 71455817. The reversal of 71455814 is 41855417.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71455817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17863952 + ... + 17863955.

It is an arithmetic number, because the mean of its divisors is an integer number (26795931).

Almost surely, 2^71455814 is an apocalyptic number.

71455814 is a deficient number, since it is larger than the sum of its proper divisors (35727910).

71455814 is a wasteful number, since it uses less digits than its factorization.

71455814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35727909.

The product of its digits is 22400, while the sum is 35.

The square root of 71455814 is about 8453.1540859019. The cubic root of 71455814 is about 414.9660087319.

The spelling of 71455814 in words is "seventy-one million, four hundred fifty-five thousand, eight hundred fourteen".