42719830 has 16 divisors (see below), whose sum is σ = 78974640. Its totient is φ = 16625952.

The previous prime is 42719821. The next prime is 42719849. The reversal of 42719830 is 3891724.

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, 57360 + ... + 58099.

It is an arithmetic number, because the mean of its divisors is an integer number (4935915).

Almost surely, 2^42719830 is an apocalyptic number.

42719830 is a deficient number, since it is larger than the sum of its proper divisors (36254810).

42719830 is a wasteful number, since it uses less digits than its factorization.

42719830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115503.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42719830 is about 6536.0408505455. The cubic root of 42719830 is about 349.5772583115.

The spelling of 42719830 in words is "forty-two million, seven hundred nineteen thousand, eight hundred thirty".