75152091 has 32 divisors (see below), whose sum is σ = 120045568. Its totient is φ = 40914720.

The previous prime is 75152083. The next prime is 75152093. The reversal of 75152091 is 19025157.

It is not a de Polignac number, because 75152091 - 2³ = 75152083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75152093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42756 + ... + 44478.

It is an arithmetic number, because the mean of its divisors is an integer number (3751424).

Almost surely, 2^75152091 is an apocalyptic number.

75152091 is a deficient number, since it is larger than the sum of its proper divisors (44893477).

75152091 is a wasteful number, since it uses less digits than its factorization.

75152091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 75152091 is about 8669.0305686391. The cubic root of 75152091 is about 422.0012035484.

The spelling of 75152091 in words is "seventy-five million, one hundred fifty-two thousand, ninety-one".