42689830 has 16 divisors (see below), whose sum is σ = 77001840. Its totient is φ = 17040352.

The previous prime is 42689791. The next prime is 42689851. The reversal of 42689830 is 3898624.

It is a super-3 number, since 3×42689830³ (a number of 24 digits) contains 333 as substring.

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, 897 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (4812615).

Almost surely, 2^42689830 is an apocalyptic number.

42689830 is a deficient number, since it is larger than the sum of its proper divisors (34312010).

42689830 is a wasteful number, since it uses less digits than its factorization.

42689830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 42689830 is about 6533.7454801974. The cubic root of 42689830 is about 349.4954089408.

The spelling of 42689830 in words is "forty-two million, six hundred eighty-nine thousand, eight hundred thirty".