190506733 has 2 divisors, whose sum is σ = 190506734. Its totient is φ = 190506732.

The previous prime is 190506707. The next prime is 190506761. The reversal of 190506733 is 337605091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104796169 + 85710564 = 10237^2 + 9258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190506733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190506793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95253366 + 95253367.

It is an arithmetic number, because the mean of its divisors is an integer number (95253367).

Almost surely, 2^190506733 is an apocalyptic number.

It is an amenable number.

190506733 is a deficient number, since it is larger than the sum of its proper divisors (1).

190506733 is an equidigital number, since it uses as much as digits as its factorization.

190506733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 190506733 is about 13802.4176505422. The cubic root of 190506733 is about 575.4003341898.

The spelling of 190506733 in words is "one hundred ninety million, five hundred six thousand, seven hundred thirty-three".