7364862181 has 4 divisors (see below), whose sum is σ = 7367599692. Its totient is φ = 7362124672.

The previous prime is 7364862133. The next prime is 7364862227. The reversal of 7364862181 is 1812684637.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1428159681 + 5936702500 = 37791^2 + 77050^2 .

It is a cyclic number.

It is not a de Polignac number, because 7364862181 - 2⁷ = 7364862053 is a prime.

It is a super-2 number, since 2×7364862181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7364862481) 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, 1364716 + ... + 1370101.

It is an arithmetic number, because the mean of its divisors is an integer number (1841899923).

Almost surely, 2^7364862181 is an apocalyptic number.

It is an amenable number.

7364862181 is a deficient number, since it is larger than the sum of its proper divisors (2737511).

7364862181 is a wasteful number, since it uses less digits than its factorization.

7364862181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737510.

The product of its digits is 387072, while the sum is 46.

The square root of 7364862181 is about 85818.7752243062. The cubic root of 7364862181 is about 1945.6059008031.

The spelling of 7364862181 in words is "seven billion, three hundred sixty-four million, eight hundred sixty-two thousand, one hundred eighty-one".