7203628381 has 8 divisors (see below), whose sum is σ = 7228235000. Its totient is φ = 7179045120.

The previous prime is 7203628343. The next prime is 7203628417. The reversal of 7203628381 is 1838263027.

It can be written as a sum of positive squares in 4 ways, for example, as 3321216900 + 3882411481 = 57630^2 + 62309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7203628381 - 2¹³ = 7203620189 is a prime.

It is a super-2 number, since 2×7203628381² (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 (7203628321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791545 + ... + 800593.

It is an arithmetic number, because the mean of its divisors is an integer number (903529375).

Almost surely, 2^7203628381 is an apocalyptic number.

It is an amenable number.

7203628381 is a deficient number, since it is larger than the sum of its proper divisors (24606619).

7203628381 is a wasteful number, since it uses less digits than its factorization.

7203628381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 7203628381 is about 84874.1914895217. The cubic root of 7203628381 is about 1931.3030817150.

The spelling of 7203628381 in words is "seven billion, two hundred three million, six hundred twenty-eight thousand, three hundred eighty-one".