43372745 has 8 divisors (see below), whose sum is σ = 56051016. Its totient is φ = 32029056.

The previous prime is 43372741. The next prime is 43372759. The reversal of 43372745 is 54727334.

It can be written as a sum of positive squares in 4 ways, for example, as 1485961 + 41886784 = 1219^2 + 6472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43372745 - 2² = 43372741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43372741) 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, 333572 + ... + 333701.

It is an arithmetic number, because the mean of its divisors is an integer number (7006377).

Almost surely, 2^43372745 is an apocalyptic number.

It is an amenable number.

43372745 is a deficient number, since it is larger than the sum of its proper divisors (12678271).

43372745 is a wasteful number, since it uses less digits than its factorization.

43372745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667291.

The product of its digits is 70560, while the sum is 35.

The square root of 43372745 is about 6585.7987366758. The cubic root of 43372745 is about 351.3492005031.

The spelling of 43372745 in words is "forty-three million, three hundred seventy-two thousand, seven hundred forty-five".