75425091 has 8 divisors (see below), whose sum is σ = 114933504. Its totient is φ = 43100040.

The previous prime is 75425089. The next prime is 75425111. The reversal of 75425091 is 19052457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75425091 - 2¹ = 75425089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75425011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795815 + ... + 1795856.

It is an arithmetic number, because the mean of its divisors is an integer number (14366688).

Almost surely, 2^75425091 is an apocalyptic number.

75425091 is a deficient number, since it is larger than the sum of its proper divisors (39508413).

75425091 is a wasteful number, since it uses less digits than its factorization.

75425091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591681.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 75425091 is about 8684.7620001932. The cubic root of 75425091 is about 422.5115779421.

The spelling of 75425091 in words is "seventy-five million, four hundred twenty-five thousand, ninety-one".