43375073 has 4 divisors (see below), whose sum is σ = 49571520. Its totient is φ = 37178628.

The previous prime is 43375069. The next prime is 43375091. The reversal of 43375073 is 37057334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43375073 - 2² = 43375069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43375093) 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, 3098213 + ... + 3098226.

It is an arithmetic number, because the mean of its divisors is an integer number (12392880).

Almost surely, 2^43375073 is an apocalyptic number.

It is an amenable number.

43375073 is a deficient number, since it is larger than the sum of its proper divisors (6196447).

43375073 is an equidigital number, since it uses as much as digits as its factorization.

43375073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196446.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 43375073 is about 6585.9754782416. The cubic root of 43375073 is about 351.3554865268.

The spelling of 43375073 in words is "forty-three million, three hundred seventy-five thousand, seventy-three".