43461064 has 8 divisors (see below), whose sum is σ = 81489510. Its totient is φ = 21730528.

The previous prime is 43461059. The next prime is 43461071. The reversal of 43461064 is 46016434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42120100 + 1340964 = 6490^2 + 1158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716309 + ... + 2716324.

Almost surely, 2^43461064 is an apocalyptic number.

It is an amenable number.

43461064 is a deficient number, since it is larger than the sum of its proper divisors (38028446).

43461064 is a wasteful number, since it uses less digits than its factorization.

43461064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432639 (or 5432635 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 43461064 is about 6592.5005877891. The cubic root of 43461064 is about 351.5875204540.

Adding to 43461064 its reverse (46016434), we get a palindrome (89477498).

The spelling of 43461064 in words is "forty-three million, four hundred sixty-one thousand, sixty-four".