201650742 has 32 divisors (see below), whose sum is σ = 452561760. Its totient is φ = 66549600.

The previous prime is 201650707. The next prime is 201650783. The reversal of 201650742 is 247056102.

201650742 is a `hidden beast` number, since 2 + 0 + 1 + 650 + 7 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13033 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (14142555).

Almost surely, 2^201650742 is an apocalyptic number.

201650742 is an abundant number, since it is smaller than the sum of its proper divisors (250911018).

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

201650742 is a wasteful number, since it uses less digits than its factorization.

201650742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37085 (or 37079 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 201650742 is about 14200.3782343993. The cubic root of 201650742 is about 586.4080742368.

The spelling of 201650742 in words is "two hundred one million, six hundred fifty thousand, seven hundred forty-two".