42727530 has 32 divisors (see below), whose sum is σ = 103610304. Its totient is φ = 11275776.

The previous prime is 42727493. The next prime is 42727541. The reversal of 42727530 is 3572724.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4432 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (3237822).

Almost surely, 2^42727530 is an apocalyptic number.

42727530 is an abundant number, since it is smaller than the sum of its proper divisors (60882774).

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

42727530 is a wasteful number, since it uses less digits than its factorization.

42727530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 42727530 is about 6536.6298656112. The cubic root of 42727530 is about 349.5982601365.

The spelling of 42727530 in words is "forty-two million, seven hundred twenty-seven thousand, five hundred thirty".