42084724 has 24 divisors (see below), whose sum is σ = 85071168. Its totient is φ = 18003840.

The previous prime is 42084697. The next prime is 42084727. The reversal of 42084724 is 42748024.

It is a super-2 number, since 2×42084724² = 3542247988312352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42084727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27384 + ... + 28879.

It is an arithmetic number, because the mean of its divisors is an integer number (3544632).

Almost surely, 2^42084724 is an apocalyptic number.

42084724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42084724 is an abundant number, since it is smaller than the sum of its proper divisors (42986444).

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

42084724 is a wasteful number, since it uses less digits than its factorization.

42084724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56295 (or 56293 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 42084724 is about 6487.2740037708. The cubic root of 42084724 is about 347.8362399455.

The spelling of 42084724 in words is "forty-two million, eighty-four thousand, seven hundred twenty-four".