43572942 has 24 divisors (see below), whose sum is σ = 107895216. Its totient is φ = 12449376.

The previous prime is 43572941. The next prime is 43572953. The reversal of 43572942 is 24927534.

43572942 is a `hidden beast` number, since 43 + 572 + 9 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43572897 and 43572906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43572941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172783 + ... + 173034.

It is an arithmetic number, because the mean of its divisors is an integer number (4495634).

Almost surely, 2^43572942 is an apocalyptic number.

43572942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43572942 is an abundant number, since it is smaller than the sum of its proper divisors (64322274).

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

43572942 is a wasteful number, since it uses less digits than its factorization.

43572942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345832 (or 345829 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 43572942 is about 6600.9803817312. The cubic root of 43572942 is about 351.8889489132. Note that the first 3 decimals are identical.

It can be divided in two parts, 43 and 572942, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 43572942 in words is "forty-three million, five hundred seventy-two thousand, nine hundred forty-two".