7122903480 has 768 divisors, whose sum is σ = 30996725760. Its totient is φ = 1427673600.

The previous prime is 7122903451. The next prime is 7122903547. The reversal of 7122903480 is 843092217.

7122903480 is a `hidden beast` number, since 71 + 22 + 90 + 3 + 480 = 666.

It is a super-2 number, since 2×7122903480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23201487 + ... + 23201793.

It is an arithmetic number, because the mean of its divisors is an integer number (40360320).

Almost surely, 2^7122903480 is an apocalyptic number.

7122903480 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 7122903480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15498362880).

7122903480 is an abundant number, since it is smaller than the sum of its proper divisors (23873822280).

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

7122903480 is a wasteful number, since it uses less digits than its factorization.

7122903480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7122903480 is about 84397.2954542976. The cubic root of 7122903480 is about 1924.0618112267.

Adding to 7122903480 its reverse (843092217), we get a palindrome (7965995697).

The spelling of 7122903480 in words is "seven billion, one hundred twenty-two million, nine hundred three thousand, four hundred eighty".