7501226740 has 144 divisors (see below), whose sum is σ = 18822585600. Its totient is φ = 2502759168.

The previous prime is 7501226729. The next prime is 7501226741. The reversal of 7501226740 is 476221057.

It is a junction number, because it is equal to n+sod(n) for n = 7501226696 and 7501226705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7501226741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7219141 + ... + 7220179.

It is an arithmetic number, because the mean of its divisors is an integer number (130712400).

Almost surely, 2^7501226740 is an apocalyptic number.

7501226740 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 7501226740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9411292800).

7501226740 is an abundant number, since it is smaller than the sum of its proper divisors (11321358860).

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

7501226740 is a wasteful number, since it uses less digits than its factorization.

7501226740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 7501226740 is about 86609.6226755434. The cubic root of 7501226740 is about 1957.5405375380.

Adding to 7501226740 its reverse (476221057), we get a palindrome (7977447797).

The spelling of 7501226740 in words is "seven billion, five hundred one million, two hundred twenty-six thousand, seven hundred forty".