7581376952 has 8 divisors (see below), whose sum is σ = 14215081800. Its totient is φ = 3790688472.

The previous prime is 7581376951. The next prime is 7581376961. The reversal of 7581376952 is 2596731857.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×7581376952⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7581376894 and 7581376903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7581376951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473836052 + ... + 473836067.

It is an arithmetic number, because the mean of its divisors is an integer number (1776885225).

Almost surely, 2^7581376952 is an apocalyptic number.

It is an amenable number.

7581376952 is a deficient number, since it is larger than the sum of its proper divisors (6633704848).

7581376952 is a wasteful number, since it uses less digits than its factorization.

7581376952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947672125 (or 947672121 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 7581376952 is about 87071.1028527835. The cubic root of 7581376952 is about 1964.4879242847.

The spelling of 7581376952 in words is "seven billion, five hundred eighty-one million, three hundred seventy-six thousand, nine hundred fifty-two".