43770942 has 20 divisors (see below), whose sum is σ = 98079696. Its totient is φ = 14590260.

The previous prime is 43770919. The next prime is 43770943. The reversal of 43770942 is 24907734.

It is a junction number, because it is equal to n+sod(n) for n = 43770897 and 43770906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43770943) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 134934 + ... + 135257.

Almost surely, 2^43770942 is an apocalyptic number.

43770942 is an abundant number, since it is smaller than the sum of its proper divisors (54308754).

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

43770942 is a wasteful number, since it uses less digits than its factorization.

43770942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270205 (or 270196 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 43770942 is about 6615.9611546623. The cubic root of 43770942 is about 352.4211503130.

The spelling of 43770942 in words is "forty-three million, seven hundred seventy thousand, nine hundred forty-two".