201392742 has 16 divisors (see below), whose sum is σ = 423984960. Its totient is φ = 63597672.

The previous prime is 201392731. The next prime is 201392743. The reversal of 201392742 is 247293102.

201392742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201392743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883188 + ... + 883415.

It is an arithmetic number, because the mean of its divisors is an integer number (26499060).

Almost surely, 2^201392742 is an apocalyptic number.

201392742 is an abundant number, since it is smaller than the sum of its proper divisors (222592218).

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

201392742 is a wasteful number, since it uses less digits than its factorization.

201392742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766627.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 201392742 is about 14191.2910617745. The cubic root of 201392742 is about 586.1578762110.

The spelling of 201392742 in words is "two hundred one million, three hundred ninety-two thousand, seven hundred forty-two".