42773244 has 12 divisors (see below), whose sum is σ = 99804264. Its totient is φ = 14257744.

The previous prime is 42773233. The next prime is 42773251. The reversal of 42773244 is 44237724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 1782207 + ... + 1782230.

It is an arithmetic number, because the mean of its divisors is an integer number (8317022).

Almost surely, 2^42773244 is an apocalyptic number.

It is an amenable number.

42773244 is an abundant number, since it is smaller than the sum of its proper divisors (57031020).

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

42773244 is a wasteful number, since it uses less digits than its factorization.

42773244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564444 (or 3564442 counting only the distinct ones).

The product of its digits is 37632, while the sum is 33.

The square root of 42773244 is about 6540.1256868657. The cubic root of 42773244 is about 349.7228935889.

The spelling of 42773244 in words is "forty-two million, seven hundred seventy-three thousand, two hundred forty-four".