42063406 has 32 divisors (see below), whose sum is σ = 83296512. Its totient is φ = 15423360.

The previous prime is 42063391. The next prime is 42063421. The reversal of 42063406 is 60436024.

42063406 = T₁₉₉₁ + T₁₉₉₂ + ... + T₂₀₁₁.

It is an interprime number because it is at equal distance from previous prime (42063391) and next prime (42063421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (2603016).

Almost surely, 2^42063406 is an apocalyptic number.

42063406 is a deficient number, since it is larger than the sum of its proper divisors (41233106).

42063406 is a wasteful number, since it uses less digits than its factorization.

42063406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42063406 is about 6485.6307326273. The cubic root of 42063406 is about 347.7774979233. Note that the first 3 decimals are identical.

The spelling of 42063406 in words is "forty-two million, sixty-three thousand, four hundred six".