7512478830 has 96 divisors (see below), whose sum is σ = 20026790784. Its totient is φ = 1952814528.

The previous prime is 7512478817. The next prime is 7512478843. The reversal of 7512478830 is 388742157.

It is an interprime number because it is at equal distance from previous prime (7512478817) and next prime (7512478843).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2270037 + ... + 2273343.

It is an arithmetic number, because the mean of its divisors is an integer number (208612404).

Almost surely, 2^7512478830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7512478830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10013395392).

7512478830 is an abundant number, since it is smaller than the sum of its proper divisors (12514311954).

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

7512478830 is a wasteful number, since it uses less digits than its factorization.

7512478830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 7512478830 is about 86674.5569933876. The cubic root of 7512478830 is about 1958.5188405447.

The spelling of 7512478830 in words is "seven billion, five hundred twelve million, four hundred seventy-eight thousand, eight hundred thirty".