43078920 has 64 divisors (see below), whose sum is σ = 133704000. Its totient is φ = 11090688.

The previous prime is 43078913. The next prime is 43078927. The reversal of 43078920 is 2987034.

It is an interprime number because it is at equal distance from previous prime (43078913) and next prime (43078927).

It is not an unprimeable number, because it can be changed into a prime (43078927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (2089125).

Almost surely, 2^43078920 is an apocalyptic number.

43078920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43078920 is an abundant number, since it is smaller than the sum of its proper divisors (90625080).

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

43078920 is a wasteful number, since it uses less digits than its factorization.

43078920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 43078920 is about 6563.4533593224. The cubic root of 43078920 is about 350.5540069661.

The spelling of 43078920 in words is "forty-three million, seventy-eight thousand, nine hundred twenty".