71146446 has 32 divisors (see below), whose sum is σ = 162912768. Its totient is φ = 20291040.

The previous prime is 71146441. The next prime is 71146487. The reversal of 71146446 is 64464117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71146441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29631 + ... + 31941.

It is an arithmetic number, because the mean of its divisors is an integer number (5091024).

Almost surely, 2^71146446 is an apocalyptic number.

71146446 is an abundant number, since it is smaller than the sum of its proper divisors (91766322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71146446 is a wasteful number, since it uses less digits than its factorization.

71146446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 16128, while the sum is 33.

The square root of 71146446 is about 8434.8352681010. The cubic root of 71146446 is about 414.3662771699.

The spelling of 71146446 in words is "seventy-one million, one hundred forty-six thousand, four hundred forty-six".