7491328148 has 12 divisors (see below), whose sum is σ = 13136747232. Its totient is φ = 3737971800.

The previous prime is 7491328147. The next prime is 7491328177. The reversal of 7491328148 is 8418231947.

It is a super-3 number, since 3×7491328148³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491328147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920878 + ... + 1924773.

It is an arithmetic number, because the mean of its divisors is an integer number (1094728936).

Almost surely, 2^7491328148 is an apocalyptic number.

It is an amenable number.

7491328148 is a deficient number, since it is larger than the sum of its proper divisors (5645419084).

7491328148 is a wasteful number, since it uses less digits than its factorization.

7491328148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846142 (or 3846140 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 7491328148 is about 86552.4589367627. The cubic root of 7491328148 is about 1956.6791040127.

The spelling of 7491328148 in words is "seven billion, four hundred ninety-one million, three hundred twenty-eight thousand, one hundred forty-eight".