71604464401 has 8 divisors (see below), whose sum is σ = 72359167104. Its totient is φ = 70853452800.

The previous prime is 71604464359. The next prime is 71604464507. The reversal of 71604464401 is 10446440617.

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

It is a cyclic number.

It is not a de Polignac number, because 71604464401 - 2⁷ = 71604464273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71604462401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883765 + ... + 961378.

It is an arithmetic number, because the mean of its divisors is an integer number (9044895888).

Almost surely, 2^71604464401 is an apocalyptic number.

It is an amenable number.

71604464401 is a deficient number, since it is larger than the sum of its proper divisors (754702703).

71604464401 is a wasteful number, since it uses less digits than its factorization.

71604464401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845551.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 71604464401 in words is "seventy-one billion, six hundred four million, four hundred sixty-four thousand, four hundred one".