42934788 has 54 divisors (see below), whose sum is σ = 117536874. Its totient is φ = 13208832.

The previous prime is 42934777. The next prime is 42934817. The reversal of 42934788 is 88743924.

It can be written as a sum of positive squares in 3 ways, for example, as 5992704 + 36942084 = 2448^2 + 6078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2556 + ... + 9612.

Almost surely, 2^42934788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42934788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58768437).

42934788 is an abundant number, since it is smaller than the sum of its proper divisors (74602086).

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

42934788 is a wasteful number, since it uses less digits than its factorization.

42934788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093 (or 7075 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 42934788 is about 6552.4642692654. The cubic root of 42934788 is about 350.1626128724.

The spelling of 42934788 in words is "forty-two million, nine hundred thirty-four thousand, seven hundred eighty-eight".