71801364 has 12 divisors (see below), whose sum is σ = 167536544. Its totient is φ = 23933784.

The previous prime is 71801351. The next prime is 71801369. The reversal of 71801364 is 46310817.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71801369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991712 + ... + 2991735.

Almost surely, 2^71801364 is an apocalyptic number.

It is an amenable number.

71801364 is an abundant number, since it is smaller than the sum of its proper divisors (95735180).

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

71801364 is a wasteful number, since it uses less digits than its factorization.

71801364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983454 (or 5983452 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 71801364 is about 8473.5685516788. The cubic root of 71801364 is about 415.6338386120.

The spelling of 71801364 in words is "seventy-one million, eight hundred one thousand, three hundred sixty-four".