201642748 has 36 divisors (see below), whose sum is σ = 378674352. Its totient is φ = 93772800.

The previous prime is 201642719. The next prime is 201642751. The reversal of 201642748 is 847246102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125148 + ... + 126748.

It is an arithmetic number, because the mean of its divisors is an integer number (10518732).

Almost surely, 2^201642748 is an apocalyptic number.

It is an amenable number.

201642748 is a deficient number, since it is larger than the sum of its proper divisors (177031604).

201642748 is a wasteful number, since it uses less digits than its factorization.

201642748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 201642748 is about 14200.0967602337. The cubic root of 201642748 is about 586.4003251817.

The spelling of 201642748 in words is "two hundred one million, six hundred forty-two thousand, seven hundred forty-eight".