43742006 has 24 divisors (see below), whose sum is σ = 83266056. Its totient is φ = 17041920.

The previous prime is 43741979. The next prime is 43742011. The reversal of 43742006 is 60024734.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19211 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (3469419).

Almost surely, 2^43742006 is an apocalyptic number.

43742006 is a deficient number, since it is larger than the sum of its proper divisors (39524050).

43742006 is a wasteful number, since it uses less digits than its factorization.

43742006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40604 (or 40597 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43742006 is about 6613.7739604556. The cubic root of 43742006 is about 352.3434739222.

The spelling of 43742006 in words is "forty-three million, seven hundred forty-two thousand, six".