42720014 has 32 divisors (see below), whose sum is σ = 70030656. Its totient is φ = 19468800.

The previous prime is 42719981. The next prime is 42720019. The reversal of 42720014 is 41002724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42720019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272024 + ... + 272180.

It is an arithmetic number, because the mean of its divisors is an integer number (2188458).

Almost surely, 2^42720014 is an apocalyptic number.

42720014 is a deficient number, since it is larger than the sum of its proper divisors (27310642).

42720014 is a wasteful number, since it uses less digits than its factorization.

42720014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 42720014 is about 6536.0549263298. The cubic root of 42720014 is about 349.5777602028.

Adding to 42720014 its reverse (41002724), we get a palindrome (83722738).

The spelling of 42720014 in words is "forty-two million, seven hundred twenty thousand, fourteen".