42113690 has 48 divisors (see below), whose sum is σ = 83613600. Its totient is φ = 15228576.

The previous prime is 42113681. The next prime is 42113693. The reversal of 42113690 is 9631124.

It is a super-2 number, since 2×42113690² = 3547125770832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42113693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100301 + ... + 100719.

It is an arithmetic number, because the mean of its divisors is an integer number (1741950).

Almost surely, 2^42113690 is an apocalyptic number.

42113690 is a deficient number, since it is larger than the sum of its proper divisors (41499910).

42113690 is a wasteful number, since it uses less digits than its factorization.

42113690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 42113690 is about 6489.5061445383. The cubic root of 42113690 is about 347.9160243493.

The spelling of 42113690 in words is "forty-two million, one hundred thirteen thousand, six hundred ninety".