42630877 has 4 divisors (see below), whose sum is σ = 42673180. Its totient is φ = 42588576.

The previous prime is 42630871. The next prime is 42630893. The reversal of 42630877 is 77803624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19263321 + 23367556 = 4389^2 + 4834^2 .

It is a cyclic number.

It is not a de Polignac number, because 42630877 - 2¹¹ = 42628829 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 (42630871) 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, 19602 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (10668295).

Almost surely, 2^42630877 is an apocalyptic number.

It is an amenable number.

42630877 is a deficient number, since it is larger than the sum of its proper divisors (42303).

42630877 is a wasteful number, since it uses less digits than its factorization.

42630877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42302.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 42630877 is about 6529.2324970091. The cubic root of 42630877 is about 349.3344549581.

The spelling of 42630877 in words is "forty-two million, six hundred thirty thousand, eight hundred seventy-seven".