43198725 has 24 divisors (see below), whose sum is σ = 71870400. Its totient is φ = 22894720.

The previous prime is 43198711. The next prime is 43198741. The reversal of 43198725 is 52789134.

It is not a de Polignac number, because 43198725 - 2¹⁴ = 43182341 is a prime.

It is a super-2 number, since 2×43198725² = 3732259683251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10801 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (2994600).

Almost surely, 2^43198725 is an apocalyptic number.

It is an amenable number.

43198725 is a deficient number, since it is larger than the sum of its proper divisors (28671675).

43198725 is a wasteful number, since it uses less digits than its factorization.

43198725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629 (or 3624 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 43198725 is about 6572.5736968101. The cubic root of 43198725 is about 350.8786765862.

The spelling of 43198725 in words is "forty-three million, one hundred ninety-eight thousand, seven hundred twenty-five".