7320629400 has 216 divisors, whose sum is σ = 26452096020. Its totient is φ = 1669933440.

The previous prime is 7320629383. The next prime is 7320629443. The reversal of 7320629400 is 49260237.

It is a super-2 number, since 2×7320629400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14670351 + ... + 14670849.

Almost surely, 2^7320629400 is an apocalyptic number.

7320629400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7320629400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13226048010).

7320629400 is an abundant number, since it is smaller than the sum of its proper divisors (19131466620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7320629400 is a wasteful number, since it uses less digits than its factorization.

7320629400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7320629400 is about 85560.6767154164. The cubic root of 7320629400 is about 1941.7030250600.

Adding to 7320629400 its reverse (49260237), we get a palindrome (7369889637).

The spelling of 7320629400 in words is "seven billion, three hundred twenty million, six hundred twenty-nine thousand, four hundred".