7452511812 has 96 divisors (see below), whose sum is σ = 19576233600. Its totient is φ = 2451586176.

The previous prime is 7452511789. The next prime is 7452511837. The reversal of 7452511812 is 2181152547.

It is a happy number.

7452511812 is a `hidden beast` number, since 7 + 4 + 525 + 118 + 12 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3330358 + ... + 3332594.

It is an arithmetic number, because the mean of its divisors is an integer number (203919100).

Almost surely, 2^7452511812 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 7452511812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9788116800).

7452511812 is an abundant number, since it is smaller than the sum of its proper divisors (12123721788).

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

7452511812 is a wasteful number, since it uses less digits than its factorization.

7452511812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2634 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 7452511812 is about 86327.9318181549. The cubic root of 7452511812 is about 1953.2937375700.

The spelling of 7452511812 in words is "seven billion, four hundred fifty-two million, five hundred eleven thousand, eight hundred twelve".