42719590 has 16 divisors (see below), whose sum is σ = 78347088. Its totient is φ = 16765216.

The previous prime is 42719557. The next prime is 42719609. The reversal of 42719590 is 9591724.

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, 39772 + ... + 40831.

It is an arithmetic number, because the mean of its divisors is an integer number (4896693).

Almost surely, 2^42719590 is an apocalyptic number.

42719590 is a deficient number, since it is larger than the sum of its proper divisors (35627498).

42719590 is a wasteful number, since it uses less digits than its factorization.

42719590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80663.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 42719590 is about 6536.0224907814. The cubic root of 42719590 is about 349.5766036686.

It can be divided in two parts, 4271 and 9590, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 42719590 in words is "forty-two million, seven hundred nineteen thousand, five hundred ninety".