71764401 has 8 divisors (see below), whose sum is σ = 96564160. Its totient is φ = 47403792.

The previous prime is 71764397. The next prime is 71764453. The reversal of 71764401 is 10446717.

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

It is not a de Polignac number, because 71764401 - 2² = 71764397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71764471) 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 7 ways as a sum of consecutive naturals, for example, 109405 + ... + 110058.

It is an arithmetic number, because the mean of its divisors is an integer number (12070520).

Almost surely, 2^71764401 is an apocalyptic number.

It is an amenable number.

71764401 is a deficient number, since it is larger than the sum of its proper divisors (24799759).

71764401 is a wasteful number, since it uses less digits than its factorization.

71764401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219575.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 71764401 is about 8471.3871945508. The cubic root of 71764401 is about 415.5625042633.

The spelling of 71764401 in words is "seventy-one million, seven hundred sixty-four thousand, four hundred one".