42849072 has 60 divisors (see below), whose sum is σ = 137052240. Its totient is φ = 12242304.

The previous prime is 42849067. The next prime is 42849083. The reversal of 42849072 is 27094824.

It is a super-2 number, since 2×42849072² = 3672085942522368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20247 + ... + 22262.

It is an arithmetic number, because the mean of its divisors is an integer number (2284204).

Almost surely, 2^42849072 is an apocalyptic number.

42849072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42849072 is an abundant number, since it is smaller than the sum of its proper divisors (94203168).

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

42849072 is a wasteful number, since it uses less digits than its factorization.

42849072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42530 (or 42521 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42849072 is about 6545.9202561596. The cubic root of 42849072 is about 349.9294333924.

The spelling of 42849072 in words is "forty-two million, eight hundred forty-nine thousand, seventy-two".