42702920 has 48 divisors (see below), whose sum is σ = 104057460. Its totient is φ = 15764736.

The previous prime is 42702917. The next prime is 42702941. The reversal of 42702920 is 2920724.

It can be written as a sum of positive squares in 6 ways, for example, as 4831204 + 37871716 = 2198^2 + 6154^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 42702920.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3602 + ... + 9918.

Almost surely, 2^42702920 is an apocalyptic number.

42702920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42702920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52028730).

42702920 is an abundant number, since it is smaller than the sum of its proper divisors (61354540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42702920 is a wasteful number, since it uses less digits than its factorization.

42702920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354 (or 6337 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42702920 is about 6534.7471259414. The cubic root of 42702920 is about 349.5311272635.

The spelling of 42702920 in words is "forty-two million, seven hundred two thousand, nine hundred twenty".