7553494872 has 96 divisors (see below), whose sum is σ = 25505326080. Its totient is φ = 1961945280.

The previous prime is 7553494867. The next prime is 7553494931. The reversal of 7553494872 is 2784943557.

It is a happy number.

7553494872 is a `hidden beast` number, since 7 + 553 + 4 + 9 + 4 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675688 + ... + 686775.

It is an arithmetic number, because the mean of its divisors is an integer number (265680480).

Almost surely, 2^7553494872 is an apocalyptic number.

7553494872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7553494872 is an abundant number, since it is smaller than the sum of its proper divisors (17951831208).

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

7553494872 is a wasteful number, since it uses less digits than its factorization.

7553494872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362493 (or 1362486 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The square root of 7553494872 is about 86910.8443866472. The cubic root of 7553494872 is about 1962.0766958706.

The spelling of 7553494872 in words is "seven billion, five hundred fifty-three million, four hundred ninety-four thousand, eight hundred seventy-two".