42509762 has 8 divisors (see below), whose sum is σ = 64251792. Its totient is φ = 21092500.

The previous prime is 42509729. The next prime is 42509767. The reversal of 42509762 is 26790524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42509767) 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, 80864 + ... + 81387.

It is an arithmetic number, because the mean of its divisors is an integer number (8031474).

Almost surely, 2^42509762 is an apocalyptic number.

42509762 is a deficient number, since it is larger than the sum of its proper divisors (21742030).

42509762 is a wasteful number, since it uses less digits than its factorization.

42509762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162384.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 42509762 is about 6519.9510734361. The cubic root of 42509762 is about 349.0033195909.

The spelling of 42509762 in words is "forty-two million, five hundred nine thousand, seven hundred sixty-two".