75445323 has 4 divisors (see below), whose sum is σ = 100593768. Its totient is φ = 50296880.

The previous prime is 75445309. The next prime is 75445361. The reversal of 75445323 is 32354457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75445323 - 2¹⁴ = 75428939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75443323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12574218 + ... + 12574223.

It is an arithmetic number, because the mean of its divisors is an integer number (25148442).

Almost surely, 2^75445323 is an apocalyptic number.

75445323 is a deficient number, since it is larger than the sum of its proper divisors (25148445).

75445323 is a wasteful number, since it uses less digits than its factorization.

75445323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148444.

The product of its digits is 50400, while the sum is 33.

The square root of 75445323 is about 8685.9267208514. The cubic root of 75445323 is about 422.5493526840.

The spelling of 75445323 in words is "seventy-five million, four hundred forty-five thousand, three hundred twenty-three".