43472471 has 4 divisors (see below), whose sum is σ = 49682832. Its totient is φ = 37262112.

The previous prime is 43472467. The next prime is 43472491. The reversal of 43472471 is 17427434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43472471 - 2² = 43472467 is a prime.

It is a super-3 number, since 3×43472471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43472431) 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, 3105170 + ... + 3105183.

It is an arithmetic number, because the mean of its divisors is an integer number (12420708).

Almost surely, 2^43472471 is an apocalyptic number.

43472471 is a deficient number, since it is larger than the sum of its proper divisors (6210361).

43472471 is an equidigital number, since it uses as much as digits as its factorization.

43472471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210360.

The product of its digits is 18816, while the sum is 32.

The square root of 43472471 is about 6593.3656807430. The cubic root of 43472471 is about 351.6182775474.

The spelling of 43472471 in words is "forty-three million, four hundred seventy-two thousand, four hundred seventy-one".