43715972 has 6 divisors (see below), whose sum is σ = 76502958. Its totient is φ = 21857984.

The previous prime is 43715951. The next prime is 43715989. The reversal of 43715972 is 27951734.

It can be written as a sum of positive squares in only one way, i.e., 26790976 + 16924996 = 5176^2 + 4114^2 .

It is a super-2 number, since 2×43715972² = 3822172415809568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5464493 + ... + 5464500.

It is an arithmetic number, because the mean of its divisors is an integer number (12750493).

Almost surely, 2^43715972 is an apocalyptic number.

It is an amenable number.

43715972 is a deficient number, since it is larger than the sum of its proper divisors (32786986).

43715972 is a wasteful number, since it uses less digits than its factorization.

43715972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928997 (or 10928995 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 43715972 is about 6611.8055022815. The cubic root of 43715972 is about 352.2735584393.

The spelling of 43715972 in words is "forty-three million, seven hundred fifteen thousand, nine hundred seventy-two".