42036479 has 4 divisors (see below), whose sum is σ = 43864176. Its totient is φ = 40208784.

The previous prime is 42036469. The next prime is 42036481. The reversal of 42036479 is 97463024.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-42036479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42036409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913814 + ... + 913859.

It is an arithmetic number, because the mean of its divisors is an integer number (10966044).

Almost surely, 2^42036479 is an apocalyptic number.

42036479 is a deficient number, since it is larger than the sum of its proper divisors (1827697).

42036479 is a wasteful number, since it uses less digits than its factorization.

42036479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827696.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42036479 is about 6483.5545035112. The cubic root of 42036479 is about 347.7032718557.

The spelling of 42036479 in words is "forty-two million, thirty-six thousand, four hundred seventy-nine".