71573995 has 8 divisors (see below), whose sum is σ = 90941184. Its totient is φ = 53890944.

The previous prime is 71573993. The next prime is 71574011. The reversal of 71573995 is 59937517.

It is a happy number.

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 71573995 - 2¹ = 71573993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71573993) 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, 420939 + ... + 421108.

It is an arithmetic number, because the mean of its divisors is an integer number (11367648).

Almost surely, 2^71573995 is an apocalyptic number.

71573995 is a deficient number, since it is larger than the sum of its proper divisors (19367189).

71573995 is a wasteful number, since it uses less digits than its factorization.

71573995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842069.

The product of its digits is 297675, while the sum is 46.

The square root of 71573995 is about 8460.1415472792. The cubic root of 71573995 is about 415.1946539302.

The spelling of 71573995 in words is "seventy-one million, five hundred seventy-three thousand, nine hundred ninety-five".