42491076 has 24 divisors (see below), whose sum is σ = 99277920. Its totient is φ = 14144832.

The previous prime is 42491027. The next prime is 42491083. The reversal of 42491076 is 67019424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (4136580).

Almost surely, 2^42491076 is an apocalyptic number.

It is an amenable number.

42491076 is an abundant number, since it is smaller than the sum of its proper divisors (56786844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42491076 is a wasteful number, since it uses less digits than its factorization.

42491076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42491076 is about 6518.5179297138. The cubic root of 42491076 is about 348.9521750105.

The spelling of 42491076 in words is "forty-two million, four hundred ninety-one thousand, seventy-six".