43700473 has 4 divisors (see below), whose sum is σ = 43789968. Its totient is φ = 43610980.

The previous prime is 43700471. The next prime is 43700491. The reversal of 43700473 is 37400734.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43700473 - 2¹ = 43700471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43700471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44011 + ... + 44992.

It is an arithmetic number, because the mean of its divisors is an integer number (10947492).

Almost surely, 2^43700473 is an apocalyptic number.

It is an amenable number.

43700473 is a deficient number, since it is larger than the sum of its proper divisors (89495).

43700473 is an equidigital number, since it uses as much as digits as its factorization.

43700473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89494.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 43700473 is about 6610.6333282069. The cubic root of 43700473 is about 352.2319219923.

The spelling of 43700473 in words is "forty-three million, seven hundred thousand, four hundred seventy-three".