73995971 has 8 divisors (see below), whose sum is σ = 86000640. Its totient is φ = 62349768.

The previous prime is 73995953. The next prime is 73995973. The reversal of 73995971 is 17959937.

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 73995971 - 2¹⁸ = 73733827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73995973) 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, 89171 + ... + 89996.

It is an arithmetic number, because the mean of its divisors is an integer number (10750080).

Almost surely, 2^73995971 is an apocalyptic number.

73995971 is a deficient number, since it is larger than the sum of its proper divisors (12004669).

73995971 is a wasteful number, since it uses less digits than its factorization.

73995971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179233.

The product of its digits is 535815, while the sum is 50.

The square root of 73995971 is about 8602.0910829867. The cubic root of 73995971 is about 419.8260258292.

The spelling of 73995971 in words is "seventy-three million, nine hundred ninety-five thousand, nine hundred seventy-one".