42702429 has 16 divisors (see below), whose sum is σ = 70986240. Its totient is φ = 22182960.

The previous prime is 42702409. The next prime is 42702433. The reversal of 42702429 is 92420724.

It is not a de Polignac number, because 42702429 - 2⁷ = 42702301 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42702396 and 42702405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42702409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92199 + ... + 92660.

It is an arithmetic number, because the mean of its divisors is an integer number (4436640).

Almost surely, 2^42702429 is an apocalyptic number.

It is an amenable number.

42702429 is a deficient number, since it is larger than the sum of its proper divisors (28283811).

42702429 is a wasteful number, since it uses less digits than its factorization.

42702429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184880.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42702429 is about 6534.7095574325. The cubic root of 42702429 is about 349.5297876171.

The spelling of 42702429 in words is "forty-two million, seven hundred two thousand, four hundred twenty-nine".