43730734 has 4 divisors (see below), whose sum is σ = 65596104. Its totient is φ = 21865366.

The previous prime is 43730719. The next prime is 43730737. The reversal of 43730734 is 43703734.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 43730696 and 43730705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43730737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10932682 + ... + 10932685.

It is an arithmetic number, because the mean of its divisors is an integer number (16399026).

Almost surely, 2^43730734 is an apocalyptic number.

43730734 is a deficient number, since it is larger than the sum of its proper divisors (21865370).

43730734 is a wasteful number, since it uses less digits than its factorization.

43730734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865369.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 43730734 is about 6612.9217445846. The cubic root of 43730734 is about 352.3132058634.

Subtracting from 43730734 its reverse (43703734), we obtain a cube (27000 = 30³).

The spelling of 43730734 in words is "forty-three million, seven hundred thirty thousand, seven hundred thirty-four".