75011893 has 12 divisors (see below), whose sum is σ = 85298220. Its totient is φ = 65838080.

The previous prime is 75011873. The next prime is 75011899. The reversal of 75011893 is 39811057.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19554084 + 55457809 = 4422^2 + 7447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-75011893 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 (75011899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7180 + ... + 14197.

It is an arithmetic number, because the mean of its divisors is an integer number (7108185).

Almost surely, 2^75011893 is an apocalyptic number.

It is an amenable number.

75011893 is a deficient number, since it is larger than the sum of its proper divisors (10286327).

75011893 is a wasteful number, since it uses less digits than its factorization.

75011893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428 (or 21417 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 75011893 is about 8660.9406533009. The cubic root of 75011893 is about 421.7386224609.

The spelling of 75011893 in words is "seventy-five million, eleven thousand, eight hundred ninety-three".