42093577 has 4 divisors (see below), whose sum is σ = 42143440. Its totient is φ = 42043716.

The previous prime is 42093563. The next prime is 42093589. The reversal of 42093577 is 77539024.

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 42093577 - 2¹¹ = 42091529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42093277) 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, 23643 + ... + 25360.

It is an arithmetic number, because the mean of its divisors is an integer number (10535860).

Almost surely, 2^42093577 is an apocalyptic number.

It is an amenable number.

42093577 is a deficient number, since it is larger than the sum of its proper divisors (49863).

42093577 is an equidigital number, since it uses as much as digits as its factorization.

42093577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49862.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 42093577 is about 6487.9563037986. The cubic root of 42093577 is about 347.8606286709.

The spelling of 42093577 in words is "forty-two million, ninety-three thousand, five hundred seventy-seven".