75141989 has 16 divisors (see below), whose sum is σ = 89413632. Its totient is φ = 62439168.

The previous prime is 75141977. The next prime is 75141991. The reversal of 75141989 is 98914157.

It is a cyclic number.

It is not a de Polignac number, because 75141989 - 2²⁴ = 58364773 is a prime.

It is a super-2 number, since 2×75141989² = 11292637021752242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75141289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309 + ... + 12474.

It is an arithmetic number, because the mean of its divisors is an integer number (5588352).

Almost surely, 2^75141989 is an apocalyptic number.

It is an amenable number.

75141989 is a deficient number, since it is larger than the sum of its proper divisors (14271643).

75141989 is a wasteful number, since it uses less digits than its factorization.

75141989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836.

The product of its digits is 90720, while the sum is 44.

The square root of 75141989 is about 8668.4479002876. The cubic root of 75141989 is about 421.9822941292.

The spelling of 75141989 in words is "seventy-five million, one hundred forty-one thousand, nine hundred eighty-nine".