42292649 has 12 divisors (see below), whose sum is σ = 49951872. Its totient is φ = 35075880.

The previous prime is 42292631. The next prime is 42292661. The reversal of 42292649 is 94629224.

It is not a de Polignac number, because 42292649 - 2¹⁶ = 42227113 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42292049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3584 + ... + 9870.

It is an arithmetic number, because the mean of its divisors is an integer number (4162656).

Almost surely, 2^42292649 is an apocalyptic number.

It is an amenable number.

42292649 is a deficient number, since it is larger than the sum of its proper divisors (7659223).

42292649 is an equidigital number, since it uses as much as digits as its factorization.

42292649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356 (or 6325 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 42292649 is about 6503.2798648067. The cubic root of 42292649 is about 348.4081423743.

The spelling of 42292649 in words is "forty-two million, two hundred ninety-two thousand, six hundred forty-nine".