213575734 has 4 divisors (see below), whose sum is σ = 320363604. Its totient is φ = 106787866.

The previous prime is 213575731. The next prime is 213575741. The reversal of 213575734 is 437575312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×213575734² = 91229188307277512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213575693 and 213575702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213575731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53393932 + ... + 53393935.

It is an arithmetic number, because the mean of its divisors is an integer number (80090901).

Almost surely, 2^213575734 is an apocalyptic number.

213575734 is a deficient number, since it is larger than the sum of its proper divisors (106787870).

213575734 is a wasteful number, since it uses less digits than its factorization.

213575734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106787869.

The product of its digits is 88200, while the sum is 37.

The square root of 213575734 is about 14614.2305305480. The cubic root of 213575734 is about 597.7468587747.

The spelling of 213575734 in words is "two hundred thirteen million, five hundred seventy-five thousand, seven hundred thirty-four".