42502572 has 72 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 12073824.

The previous prime is 42502561. The next prime is 42502591. The reversal of 42502572 is 27520524.

42502572 is a `hidden beast` number, since 42 + 50 + 2 + 572 = 666.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56833 + ... + 57575.

It is an arithmetic number, because the mean of its divisors is an integer number (1715168).

Almost surely, 2^42502572 is an apocalyptic number.

42502572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42502572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61746048).

42502572 is an abundant number, since it is smaller than the sum of its proper divisors (80989524).

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

42502572 is a wasteful number, since it uses less digits than its factorization.

42502572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 42502572 is about 6519.3996656134. The cubic root of 42502572 is about 348.9836419511.

The spelling of 42502572 in words is "forty-two million, five hundred two thousand, five hundred seventy-two".