75999973 has 4 divisors (see below), whose sum is σ = 86857120. Its totient is φ = 65142828.

The previous prime is 75999967. The next prime is 75999977. The reversal of 75999973 is 37999957.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75999973 - 2¹³ = 75991781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75999977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428563 + ... + 5428576.

It is an arithmetic number, because the mean of its divisors is an integer number (21714280).

Almost surely, 2^75999973 is an apocalyptic number.

It is an amenable number.

75999973 is a deficient number, since it is larger than the sum of its proper divisors (10857147).

75999973 is a wasteful number, since it uses less digits than its factorization.

75999973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857146.

The product of its digits is 4822335, while the sum is 58.

The square root of 75999973 is about 8717.7963385250. The cubic root of 75999973 is about 423.5823082644.

The spelling of 75999973 in words is "seventy-five million, nine hundred ninety-nine thousand, nine hundred seventy-three".