75132443 has 2 divisors, whose sum is σ = 75132444. Its totient is φ = 75132442.

The previous prime is 75132439. The next prime is 75132509. The reversal of 75132443 is 34423157.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75132443 - 2² = 75132439 is a prime.

It is a super-2 number, since 2×75132443² = 11289767982296498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75132143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566221 + 37566222.

It is an arithmetic number, because the mean of its divisors is an integer number (37566222).

Almost surely, 2^75132443 is an apocalyptic number.

75132443 is a deficient number, since it is larger than the sum of its proper divisors (1).

75132443 is an equidigital number, since it uses as much as digits as its factorization.

75132443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 75132443 is about 8667.8972651964. The cubic root of 75132443 is about 421.9644239006.

The spelling of 75132443 in words is "seventy-five million, one hundred thirty-two thousand, four hundred forty-three".