73493975971 has 8 divisors (see below), whose sum is σ = 79166447360. Its totient is φ = 67824231552.

The previous prime is 73493975963. The next prime is 73493975993. The reversal of 73493975971 is 17957939437.

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 73493975971 - 2³ = 73493975963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73493975171) 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, 625590 + ... + 733723.

It is an arithmetic number, because the mean of its divisors is an integer number (9895805920).

Almost surely, 2^73493975971 is an apocalyptic number.

73493975971 is a deficient number, since it is larger than the sum of its proper divisors (5672471389).

73493975971 is a wasteful number, since it uses less digits than its factorization.

73493975971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363485.

The product of its digits is 45008460, while the sum is 64.

The spelling of 73493975971 in words is "seventy-three billion, four hundred ninety-three million, nine hundred seventy-five thousand, nine hundred seventy-one".