7213834 has 4 divisors (see below), whose sum is σ = 10820754. Its totient is φ = 3606916.

The previous prime is 7213819. The next prime is 7213841. The reversal of 7213834 is 4383127.

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

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 2387025 = 2197^2 + 1545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803457 + ... + 1803460.

Almost surely, 2^7213834 is an apocalyptic number.

7213834 is a deficient number, since it is larger than the sum of its proper divisors (3606920).

7213834 is a wasteful number, since it uses less digits than its factorization.

7213834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606919.

The product of its digits is 4032, while the sum is 28.

The square root of 7213834 is about 2685.8581496423. The cubic root of 7213834 is about 193.2214698366.

The spelling of 7213834 in words is "seven million, two hundred thirteen thousand, eight hundred thirty-four".