42724910 has 16 divisors (see below), whose sum is σ = 81428976. Its totient is φ = 16084608.

The previous prime is 42724907. The next prime is 42724931. The reversal of 42724910 is 1942724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125492 + ... + 125831.

It is an arithmetic number, because the mean of its divisors is an integer number (5089311).

Almost surely, 2^42724910 is an apocalyptic number.

42724910 is a deficient number, since it is larger than the sum of its proper divisors (38704066).

42724910 is a wasteful number, since it uses less digits than its factorization.

42724910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251347.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 42724910 is about 6536.4294534555. The cubic root of 42724910 is about 349.5911143442.

It can be divided in two parts, 42724 and 910, that added together give a palindrome (43634).

The spelling of 42724910 in words is "forty-two million, seven hundred twenty-four thousand, nine hundred ten".