42790635 has 48 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 22021440.

The previous prime is 42790621. The next prime is 42790651. The reversal of 42790635 is 53609724.

It is not a de Polignac number, because 42790635 - 2⁸ = 42790379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42790635.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188392 + ... + 188618.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^42790635 is an apocalyptic number.

42790635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42790635 is a deficient number, since it is larger than the sum of its proper divisors (34036245).

42790635 is a wasteful number, since it uses less digits than its factorization.

42790635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42790635 is about 6541.4551133521. The cubic root of 42790635 is about 349.7702846381.

The spelling of 42790635 in words is "forty-two million, seven hundred ninety thousand, six hundred thirty-five".