213734763 has 36 divisors (see below), whose sum is σ = 347694984. Its totient is φ = 126350400.

The previous prime is 213734749. The next prime is 213734767. The reversal of 213734763 is 367437312.

It is not a de Polignac number, because 213734763 - 2¹⁰ = 213733739 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (213734767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42256 + ... + 47042.

It is an arithmetic number, because the mean of its divisors is an integer number (9658194).

Almost surely, 2^213734763 is an apocalyptic number.

213734763 is a deficient number, since it is larger than the sum of its proper divisors (133960221).

213734763 is a wasteful number, since it uses less digits than its factorization.

213734763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4842 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 213734763 is about 14619.6704135216. The cubic root of 213734763 is about 597.8951832113.

The spelling of 213734763 in words is "two hundred thirteen million, seven hundred thirty-four thousand, seven hundred sixty-three".