43020046 has 4 divisors (see below), whose sum is σ = 64530072. Its totient is φ = 21510022.

The previous prime is 43020031. The next prime is 43020049. The reversal of 43020046 is 64002034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64002034 = 2 ⋅32001017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43020049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10755010 + ... + 10755013.

It is an arithmetic number, because the mean of its divisors is an integer number (16132518).

Almost surely, 2^43020046 is an apocalyptic number.

43020046 is a deficient number, since it is larger than the sum of its proper divisors (21510026).

43020046 is a wasteful number, since it uses less digits than its factorization.

43020046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510025.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43020046 is about 6558.9668393734. The cubic root of 43020046 is about 350.3942387573.

The spelling of 43020046 in words is "forty-three million, twenty thousand, forty-six".