42414728 has 32 divisors (see below), whose sum is σ = 86491800. Its totient is φ = 19418112.

The previous prime is 42414709. The next prime is 42414739. The reversal of 42414728 is 82741424.

It can be written as a sum of positive squares in 4 ways, for example, as 40729924 + 1684804 = 6382^2 + 1298^2 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 42414694 and 42414703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 9246.

Almost surely, 2^42414728 is an apocalyptic number.

It is an amenable number.

42414728 is an abundant number, since it is smaller than the sum of its proper divisors (44077072).

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

42414728 is a wasteful number, since it uses less digits than its factorization.

42414728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489 (or 8485 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 42414728 is about 6512.6590575586. The cubic root of 42414728 is about 348.7430505246.

The spelling of 42414728 in words is "forty-two million, four hundred fourteen thousand, seven hundred twenty-eight".