7421117400 has 192 divisors, whose sum is σ = 26443620000. Its totient is φ = 1910684160.

The previous prime is 7421117377. The next prime is 7421117441. The reversal of 7421117400 is 47111247.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 132906 + ... + 180294.

Almost surely, 2^7421117400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421117400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13221810000).

7421117400 is an abundant number, since it is smaller than the sum of its proper divisors (19022502600).

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

7421117400 is a wasteful number, since it uses less digits than its factorization.

7421117400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47443 (or 47428 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 7421117400 is about 86145.9076218946. The cubic root of 7421117400 is about 1950.5470654433.

Adding to 7421117400 its reverse (47111247), we get a palindrome (7468228647).

The spelling of 7421117400 in words is "seven billion, four hundred twenty-one million, one hundred seventeen thousand, four hundred".