75288996 has 18 divisors (see below), whose sum is σ = 190313942. Its totient is φ = 25096320.

The previous prime is 75288989. The next prime is 75289003. The reversal of 75288996 is 69988257.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75288989) and next prime (75289003).

It can be written as a sum of positive squares in only one way, i.e., 64160100 + 11128896 = 8010^2 + 3336^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1045645 + ... + 1045716.

Almost surely, 2^75288996 is an apocalyptic number.

It is an amenable number.

75288996 is an abundant number, since it is smaller than the sum of its proper divisors (115024946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75288996 is a wasteful number, since it uses less digits than its factorization.

75288996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091371 (or 2091366 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 75288996 is about 8676.9231873977. The cubic root of 75288996 is about 422.2573021125.

The spelling of 75288996 in words is "seventy-five million, two hundred eighty-eight thousand, nine hundred ninety-six".