75899973 has 4 divisors (see below), whose sum is σ = 101199968. Its totient is φ = 50599980.

The previous prime is 75899933. The next prime is 75899981. The reversal of 75899973 is 37999857.

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 not a de Polignac number, because 75899973 - 2⁸ = 75899717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75899933) 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, 12649993 + ... + 12649998.

It is an arithmetic number, because the mean of its divisors is an integer number (25299992).

Almost surely, 2^75899973 is an apocalyptic number.

It is an amenable number.

75899973 is a deficient number, since it is larger than the sum of its proper divisors (25299995).

75899973 is a wasteful number, since it uses less digits than its factorization.

75899973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25299994.

The product of its digits is 4286520, while the sum is 57.

The square root of 75899973 is about 8712.0590562737. The cubic root of 75899973 is about 423.3964449414.

The spelling of 75899973 in words is "seventy-five million, eight hundred ninety-nine thousand, nine hundred seventy-three".