42720716 has 6 divisors (see below), whose sum is σ = 74761260. Its totient is φ = 21360356.

The previous prime is 42720709. The next prime is 42720737. The reversal of 42720716 is 61702724.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340086 + ... + 5340093.

It is an arithmetic number, because the mean of its divisors is an integer number (12460210).

Almost surely, 2^42720716 is an apocalyptic number.

It is an amenable number.

42720716 is a deficient number, since it is larger than the sum of its proper divisors (32040544).

42720716 is a wasteful number, since it uses less digits than its factorization.

42720716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680183 (or 10680181 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 42720716 is about 6536.1086282283. The cubic root of 42720716 is about 349.5796750136.

The spelling of 42720716 in words is "forty-two million, seven hundred twenty thousand, seven hundred sixteen".