42935720 has 16 divisors (see below), whose sum is σ = 96605460. Its totient is φ = 17174272.

The previous prime is 42935719. The next prime is 42935723. The reversal of 42935720 is 2753924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41036836 + 1898884 = 6406^2 + 1378^2 .

It is not an unprimeable number, because it can be changed into a prime (42935723) 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, 536657 + ... + 536736.

Almost surely, 2^42935720 is an apocalyptic number.

42935720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42935720 is an abundant number, since it is smaller than the sum of its proper divisors (53669740).

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

42935720 is a wasteful number, since it uses less digits than its factorization.

42935720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073404 (or 1073400 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42935720 is about 6552.5353871612. The cubic root of 42935720 is about 350.1651465536.

The spelling of 42935720 in words is "forty-two million, nine hundred thirty-five thousand, seven hundred twenty".