42077975 has 24 divisors (see below), whose sum is σ = 55652688. Its totient is φ = 31449600.

The previous prime is 42077957. The next prime is 42077977. The reversal of 42077975 is 57977024.

It is not a de Polignac number, because 42077975 - 2⁶ = 42077911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42077977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76652 + ... + 77198.

It is an arithmetic number, because the mean of its divisors is an integer number (2318862).

Almost surely, 2^42077975 is an apocalyptic number.

42077975 is a deficient number, since it is larger than the sum of its proper divisors (13574713).

42077975 is a wasteful number, since it uses less digits than its factorization.

42077975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 42077975 is about 6486.7538106514. The cubic root of 42077975 is about 347.8176451359.

The spelling of 42077975 in words is "forty-two million, seventy-seven thousand, nine hundred seventy-five".