43728494 has 8 divisors (see below), whose sum is σ = 65620800. Its totient is φ = 21854896.

The previous prime is 43728493. The next prime is 43728541. The reversal of 43728494 is 49482734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×43728494³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43728493) 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, 6947 + ... + 11649.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^43728494 is an apocalyptic number.

43728494 is a deficient number, since it is larger than the sum of its proper divisors (21892306).

43728494 is a wasteful number, since it uses less digits than its factorization.

43728494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354.

The product of its digits is 193536, while the sum is 41.

The square root of 43728494 is about 6612.7523770364. The cubic root of 43728494 is about 352.3071902996.

The spelling of 43728494 in words is "forty-three million, seven hundred twenty-eight thousand, four hundred ninety-four".