43440972 has 24 divisors (see below), whose sum is σ = 103520256. Its totient is φ = 14172048.

The previous prime is 43440961. The next prime is 43440977. The reversal of 43440972 is 27904434.

It is not an unprimeable number, because it can be changed into a prime (43440977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37948 + ... + 39075.

It is an arithmetic number, because the mean of its divisors is an integer number (4313344).

Almost surely, 2^43440972 is an apocalyptic number.

It is an amenable number.

43440972 is an abundant number, since it is smaller than the sum of its proper divisors (60079284).

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

43440972 is a wasteful number, since it uses less digits than its factorization.

43440972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77077 (or 77075 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 43440972 is about 6590.9765589023. The cubic root of 43440972 is about 351.5333326004.

The spelling of 43440972 in words is "forty-three million, four hundred forty thousand, nine hundred seventy-two".