7545613746 has 64 divisors (see below), whose sum is σ = 16760927232. Its totient is φ = 2245320000.

The previous prime is 7545613741. The next prime is 7545613799. The reversal of 7545613746 is 6473165457.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7545613695 and 7545613704.

It is not an unprimeable number, because it can be changed into a prime (7545613741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3263931 + ... + 3266241.

It is an arithmetic number, because the mean of its divisors is an integer number (261889488).

Almost surely, 2^7545613746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7545613746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8380463616).

7545613746 is an abundant number, since it is smaller than the sum of its proper divisors (9215313486).

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

7545613746 is a wasteful number, since it uses less digits than its factorization.

7545613746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its digits is 2116800, while the sum is 48.

The square root of 7545613746 is about 86865.4922624629. The cubic root of 7545613746 is about 1961.3940646262.

The spelling of 7545613746 in words is "seven billion, five hundred forty-five million, six hundred thirteen thousand, seven hundred forty-six".