73071271964 has 24 divisors (see below), whose sum is σ = 128112954480. Its totient is φ = 36467614976.

The previous prime is 73071271963. The next prime is 73071271969. The reversal of 73071271964 is 46917217037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73071271963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13561679 + ... + 13567065.

It is an arithmetic number, because the mean of its divisors is an integer number (5338039770).

Almost surely, 2^73071271964 is an apocalyptic number.

It is an amenable number.

73071271964 is a deficient number, since it is larger than the sum of its proper divisors (55041682516).

73071271964 is a wasteful number, since it uses less digits than its factorization.

73071271964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077 (or 11075 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 73071271964 in words is "seventy-three billion, seventy-one million, two hundred seventy-one thousand, nine hundred sixty-four".