43690672 has 20 divisors (see below), whose sum is σ = 84958600. Its totient is φ = 21765888.

The previous prime is 43690657. The next prime is 43690679. The reversal of 43690672 is 27609634.

It is a super-3 number, since 3×43690672³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (43690679) 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, 297 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (4247930).

Almost surely, 2^43690672 is an apocalyptic number.

It is an amenable number.

43690672 is a deficient number, since it is larger than the sum of its proper divisors (41267928).

43690672 is a wasteful number, since it uses less digits than its factorization.

43690672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940 (or 9934 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 43690672 is about 6609.8919809631. The cubic root of 43690672 is about 352.2055875467.

The spelling of 43690672 in words is "forty-three million, six hundred ninety thousand, six hundred seventy-two".