7562545272 has 48 divisors (see below), whose sum is σ = 20817674280. Its totient is φ = 2479521600.

The previous prime is 7562545271. The next prime is 7562545283. The reversal of 7562545272 is 2725452657.

7562545272 is a `hidden beast` number, since 75 + 6 + 2 + 54 + 527 + 2 = 666.

It is a super-3 number, since 3×7562545272³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7562545271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856554 + ... + 865337.

Almost surely, 2^7562545272 is an apocalyptic number.

7562545272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7562545272 is an abundant number, since it is smaller than the sum of its proper divisors (13255129008).

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

7562545272 is a wasteful number, since it uses less digits than its factorization.

7562545272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721964 (or 1721957 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 7562545272 is about 86962.8959499395. The cubic root of 7562545272 is about 1962.8600194281.

The spelling of 7562545272 in words is "seven billion, five hundred sixty-two million, five hundred forty-five thousand, two hundred seventy-two".