42073864 has 16 divisors (see below), whose sum is σ = 90158400. Its totient is φ = 18031632.

The previous prime is 42073859. The next prime is 42073897. The reversal of 42073864 is 46837024.

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, 375604 + ... + 375715.

It is an arithmetic number, because the mean of its divisors is an integer number (5634900).

Almost surely, 2^42073864 is an apocalyptic number.

It is an amenable number.

42073864 is an abundant number, since it is smaller than the sum of its proper divisors (48084536).

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

42073864 is a wasteful number, since it uses less digits than its factorization.

42073864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751332 (or 751328 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42073864 is about 6486.4369263872. The cubic root of 42073864 is about 347.8063175557.

The spelling of 42073864 in words is "forty-two million, seventy-three thousand, eight hundred sixty-four".