42580742 has 4 divisors (see below), whose sum is σ = 63871116. Its totient is φ = 21290370.

The previous prime is 42580739. The next prime is 42580771. The reversal of 42580742 is 24708524.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42580699 and 42580708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10645184 + ... + 10645187.

It is an arithmetic number, because the mean of its divisors is an integer number (15967779).

Almost surely, 2^42580742 is an apocalyptic number.

42580742 is a deficient number, since it is larger than the sum of its proper divisors (21290374).

42580742 is a wasteful number, since it uses less digits than its factorization.

42580742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21290373.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42580742 is about 6525.3920954989. The cubic root of 42580742 is about 349.1974591606.

The spelling of 42580742 in words is "forty-two million, five hundred eighty thousand, seven hundred forty-two".