7213377 has 4 divisors (see below), whose sum is σ = 9617840. Its totient is φ = 4808916.

The previous prime is 7213351. The next prime is 7213391. The reversal of 7213377 is 7733127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7213377 - 2⁶ = 7213313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7213307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202227 + ... + 1202232.

It is an arithmetic number, because the mean of its divisors is an integer number (2404460).

Almost surely, 2^7213377 is an apocalyptic number.

It is an amenable number.

7213377 is a deficient number, since it is larger than the sum of its proper divisors (2404463).

7213377 is a wasteful number, since it uses less digits than its factorization.

7213377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404462.

The product of its digits is 6174, while the sum is 30.

The square root of 7213377 is about 2685.7730730648. The cubic root of 7213377 is about 193.2173895248.

The spelling of 7213377 in words is "seven million, two hundred thirteen thousand, three hundred seventy-seven".