42920902 has 8 divisors (see below), whose sum is σ = 64500696. Its totient is φ = 21420672.

The previous prime is 42920897. The next prime is 42920909. The reversal of 42920902 is 20902924.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42920909) 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, 18523 + ... + 20710.

It is an arithmetic number, because the mean of its divisors is an integer number (8062587).

Almost surely, 2^42920902 is an apocalyptic number.

42920902 is a deficient number, since it is larger than the sum of its proper divisors (21579794).

42920902 is a wasteful number, since it uses less digits than its factorization.

42920902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39782.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 42920902 is about 6551.4045822251. The cubic root of 42920902 is about 350.1248588540.

The spelling of 42920902 in words is "forty-two million, nine hundred twenty thousand, nine hundred two".