75992089 has 4 divisors (see below), whose sum is σ = 77425956. Its totient is φ = 74558224.

The previous prime is 75992087. The next prime is 75992113. The reversal of 75992089 is 98029957.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28174864 + 47817225 = 5308^2 + 6915^2 .

It is a cyclic number.

It is not a de Polignac number, because 75992089 - 2¹ = 75992087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75992083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716854 + ... + 716959.

It is an arithmetic number, because the mean of its divisors is an integer number (19356489).

Almost surely, 2^75992089 is an apocalyptic number.

It is an amenable number.

75992089 is a deficient number, since it is larger than the sum of its proper divisors (1433867).

75992089 is a wasteful number, since it uses less digits than its factorization.

75992089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433866.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 75992089 is about 8717.3441483057. The cubic root of 75992089 is about 423.5676607224.

The spelling of 75992089 in words is "seventy-five million, nine hundred ninety-two thousand, eighty-nine".