42634004 has 12 divisors (see below), whose sum is σ = 85268064. Its totient is φ = 18271704.

The previous prime is 42634003. The next prime is 42634013. The reversal of 42634004 is 40043624.

It is a happy number.

42634004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42634003) 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, 761294 + ... + 761349.

It is an arithmetic number, because the mean of its divisors is an integer number (7105672).

Almost surely, 2^42634004 is an apocalyptic number.

It is an amenable number.

42634004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42634004 is a wasteful number, since it uses less digits than its factorization.

42634004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522654 (or 1522652 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42634004 is about 6529.4719541476. The cubic root of 42634004 is about 349.3429960454.

Adding to 42634004 its reverse (40043624), we get a palindrome (82677628).

The spelling of 42634004 in words is "forty-two million, six hundred thirty-four thousand, four".