7509371652 has 72 divisors (see below), whose sum is σ = 19704275136. Its totient is φ = 2500681248.

The previous prime is 7509371651. The next prime is 7509371657. The reversal of 7509371652 is 2561739057.

It is a super-2 number, since 2×7509371652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7509371598 and 7509371607.

It is not an unprimeable number, because it can be changed into a prime (7509371651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185598 + ... + 1191914.

It is an arithmetic number, because the mean of its divisors is an integer number (273670488).

Almost surely, 2^7509371652 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 7509371652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9852137568).

7509371652 is an abundant number, since it is smaller than the sum of its proper divisors (12194903484).

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

7509371652 is a wasteful number, since it uses less digits than its factorization.

7509371652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559 (or 7545 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 7509371652 is about 86656.6307445656. The cubic root of 7509371652 is about 1958.2487873895.

The spelling of 7509371652 in words is "seven billion, five hundred nine million, three hundred seventy-one thousand, six hundred fifty-two".