42703040 has 28 divisors (see below), whose sum is σ = 101687376. Its totient is φ = 17081088.

The previous prime is 42703033. The next prime is 42703061. The reversal of 42703040 is 4030724.

It is a happy number.

It is a super-3 number, since 3×42703040³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66404 + ... + 67043.

It is an arithmetic number, because the mean of its divisors is an integer number (3631692).

Almost surely, 2^42703040 is an apocalyptic number.

42703040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42703040 is an abundant number, since it is smaller than the sum of its proper divisors (58984336).

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

42703040 is a wasteful number, since it uses less digits than its factorization.

42703040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133464 (or 133454 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42703040 is about 6534.7563076216. The cubic root of 42703040 is about 349.5314546705.

Adding to 42703040 its reverse (4030724), we get a palindrome (46733764).

The spelling of 42703040 in words is "forty-two million, seven hundred three thousand, forty".