75913443 has 12 divisors (see below), whose sum is σ = 113714328. Its totient is φ = 50608800.

The previous prime is 75913429. The next prime is 75913459. The reversal of 75913443 is 34431957.

It is not a de Polignac number, because 75913443 - 2²¹ = 73816291 is a prime.

It is a super-2 number, since 2×75913443² = 11525701656228498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75913398 and 75913407.

It is not an unprimeable number, because it can be changed into a prime (75913843) 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, 155958 + ... + 156443.

It is an arithmetic number, because the mean of its divisors is an integer number (9476194).

Almost surely, 2^75913443 is an apocalyptic number.

75913443 is a deficient number, since it is larger than the sum of its proper divisors (37800885).

75913443 is an equidigital number, since it uses as much as digits as its factorization.

75913443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312416 (or 312404 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 75913443 is about 8712.8320883625. The cubic root of 75913443 is about 423.4214902413.

The spelling of 75913443 in words is "seventy-five million, nine hundred thirteen thousand, four hundred forty-three".