42702455 has 8 divisors (see below), whose sum is σ = 51540192. Its totient is φ = 33963808.

The previous prime is 42702449. The next prime is 42702479. The reversal of 42702455 is 55420724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42702455 - 2⁸ = 42702199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23819 + ... + 25548.

It is an arithmetic number, because the mean of its divisors is an integer number (6442524).

Almost surely, 2^42702455 is an apocalyptic number.

42702455 is a deficient number, since it is larger than the sum of its proper divisors (8837737).

42702455 is a wasteful number, since it uses less digits than its factorization.

42702455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49545.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 42702455 is about 6534.7115468091. The cubic root of 42702455 is about 349.5298585559.

The spelling of 42702455 in words is "forty-two million, seven hundred two thousand, four hundred fifty-five".