7164320437 has 2 divisors, whose sum is σ = 7164320438. Its totient is φ = 7164320436.

The previous prime is 7164320431. The next prime is 7164320447. The reversal of 7164320437 is 7340234617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6896638116 + 267682321 = 83046^2 + 16361^2 .

It is a cyclic number.

It is not a de Polignac number, because 7164320437 - 2¹¹ = 7164318389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7164320396 and 7164320405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7164320431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3582160218 + 3582160219.

It is an arithmetic number, because the mean of its divisors is an integer number (3582160219).

Almost surely, 2^7164320437 is an apocalyptic number.

It is an amenable number.

7164320437 is a deficient number, since it is larger than the sum of its proper divisors (1).

7164320437 is an equidigital number, since it uses as much as digits as its factorization.

7164320437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 7164320437 is about 84642.3087882177. The cubic root of 7164320437 is about 1927.7838341010.

The spelling of 7164320437 in words is "seven billion, one hundred sixty-four million, three hundred twenty thousand, four hundred thirty-seven".