42603420 has 48 divisors (see below), whose sum is σ = 120250368. Its totient is φ = 11269440.

The previous prime is 42603409. The next prime is 42603439. The reversal of 42603420 is 2430624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4825 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (2505216).

Almost surely, 2^42603420 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 42603420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60125184).

42603420 is an abundant number, since it is smaller than the sum of its proper divisors (77646948).

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

42603420 is a wasteful number, since it uses less digits than its factorization.

42603420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5728 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42603420 is about 6527.1295375532. The cubic root of 42603420 is about 349.2594409717.

It can be divided in two parts, 42 and 603420, that multiplied together give a triangular number (25343640 = T₇₁₁₉).

The spelling of 42603420 in words is "forty-two million, six hundred three thousand, four hundred twenty".