43490746 has 16 divisors (see below), whose sum is σ = 73309824. Its totient is φ = 19199664.

The previous prime is 43490731. The next prime is 43490747. The reversal of 43490746 is 64709434.

It is not an unprimeable number, because it can be changed into a prime (43490747) 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, 35766 + ... + 36961.

It is an arithmetic number, because the mean of its divisors is an integer number (4581864).

Almost surely, 2^43490746 is an apocalyptic number.

43490746 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

43490746 is a deficient number, since it is larger than the sum of its proper divisors (29819078).

43490746 is a wasteful number, since it uses less digits than its factorization.

43490746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72765.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 43490746 is about 6594.7513978921. The cubic root of 43490746 is about 351.6675418570.

The spelling of 43490746 in words is "forty-three million, four hundred ninety thousand, seven hundred forty-six".