7491841875 has 220 divisors, whose sum is σ = 16602123120. Its totient is φ = 3306744000.

The previous prime is 7491841859. The next prime is 7491841919. The reversal of 7491841875 is 5781481947.

7491841875 is a `hidden beast` number, since 7 + 491 + 84 + 1 + 8 + 75 = 666.

It is not a de Polignac number, because 7491841875 - 2⁴ = 7491841859 is a prime.

It is a super-2 number, since 2×7491841875² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 219 ways as a sum of consecutive naturals, for example, 258339361 + ... + 258339389.

It is an arithmetic number, because the mean of its divisors is an integer number (75464196).

Almost surely, 2^7491841875 is an apocalyptic number.

7491841875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7491841875 is an abundant number, since it is smaller than the sum of its proper divisors (9110281245).

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

7491841875 is an frugal number, since it uses more digits than its factorization.

7491841875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 44 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 7491841875 is about 86555.4266063082. The cubic root of 7491841875 is about 1956.7238302120.

The spelling of 7491841875 in words is "seven billion, four hundred ninety-one million, eight hundred forty-one thousand, eight hundred seventy-five".