42702851 has 4 divisors (see below), whose sum is σ = 42723912. Its totient is φ = 42681792.

The previous prime is 42702833. The next prime is 42702859. The reversal of 42702851 is 15820724.

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

It is a cyclic number.

It is not a de Polignac number, because 42702851 - 2¹⁴ = 42686467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42702859) 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, 7121 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (10680978).

Almost surely, 2^42702851 is an apocalyptic number.

42702851 is a deficient number, since it is larger than the sum of its proper divisors (21061).

42702851 is a wasteful number, since it uses less digits than its factorization.

42702851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21060.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 42702851 is about 6534.7418464695. The cubic root of 42702851 is about 349.5309390043.

The spelling of 42702851 in words is "forty-two million, seven hundred two thousand, eight hundred fifty-one".