42076418 has 4 divisors (see below), whose sum is σ = 63114630. Its totient is φ = 21038208.

The previous prime is 42076417. The next prime is 42076423. The reversal of 42076418 is 81467024.

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

It can be written as a sum of positive squares in only one way, i.e., 24039409 + 18037009 = 4903^2 + 4247^2 .

It is not an unprimeable number, because it can be changed into a prime (42076417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10519103 + ... + 10519106.

Almost surely, 2^42076418 is an apocalyptic number.

42076418 is a deficient number, since it is larger than the sum of its proper divisors (21038212).

42076418 is a wasteful number, since it uses less digits than its factorization.

42076418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21038211.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 42076418 is about 6486.6337957372. The cubic root of 42076418 is about 347.8133550154.

The spelling of 42076418 in words is "forty-two million, seventy-six thousand, four hundred eighteen".