43742336 has 64 divisors (see below), whose sum is σ = 97234560. Its totient is φ = 19430400.

The previous prime is 43742323. The next prime is 43742371. The reversal of 43742336 is 63324734.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65846 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (1519290).

Almost surely, 2^43742336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43742336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48617280).

43742336 is an abundant number, since it is smaller than the sum of its proper divisors (53492224).

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

43742336 is a wasteful number, since it uses less digits than its factorization.

43742336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 721 counting only the distinct ones).

The product of its digits is 36288, while the sum is 32.

The square root of 43742336 is about 6613.7989083431. The cubic root of 43742336 is about 352.3443599741.

The spelling of 43742336 in words is "forty-three million, seven hundred forty-two thousand, three hundred thirty-six".