43970730 has 16 divisors (see below), whose sum is σ = 105529824. Its totient is φ = 11725520.

The previous prime is 43970723. The next prime is 43970777. The reversal of 43970730 is 3707934.

It is a junction number, because it is equal to n+sod(n) for n = 43970691 and 43970700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732816 + ... + 732875.

It is an arithmetic number, because the mean of its divisors is an integer number (6595614).

Almost surely, 2^43970730 is an apocalyptic number.

43970730 is an abundant number, since it is smaller than the sum of its proper divisors (61559094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43970730 is a wasteful number, since it uses less digits than its factorization.

43970730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465701.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 43970730 is about 6631.0429044005. The cubic root of 43970730 is about 352.9565333677.

The spelling of 43970730 in words is "forty-three million, nine hundred seventy thousand, seven hundred thirty".