42025784 has 32 divisors (see below), whose sum is σ = 84460320. Its totient is φ = 19552896.

The previous prime is 42025757. The next prime is 42025793. The reversal of 42025784 is 48752024.

It is a self number, because there is not a number n which added to its sum of digits gives 42025784.

It is a congruent number.

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, 3722 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (2639385).

Almost surely, 2^42025784 is an apocalyptic number.

It is an amenable number.

42025784 is an abundant number, since it is smaller than the sum of its proper divisors (42434536).

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

42025784 is a wasteful number, since it uses less digits than its factorization.

42025784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239 (or 6235 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42025784 is about 6482.7296719823. The cubic root of 42025784 is about 347.6737815812.

It can be divided in two parts, 42025 and 784, that multiplied together give a square (32947600 = 5740²).

The spelling of 42025784 in words is "forty-two million, twenty-five thousand, seven hundred eighty-four".