7436728148 has 24 divisors (see below), whose sum is σ = 13052459112. Its totient is φ = 3707472384.

The previous prime is 7436728147. The next prime is 7436728171. The reversal of 7436728148 is 8418276347.

It can be written as a sum of positive squares in 4 ways, for example, as 3521472964 + 3915255184 = 59342^2 + 62572^2 .

It is a super-3 number, since 3×7436728148³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7436728096 and 7436728105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7436728147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547986 + ... + 2550902.

It is an arithmetic number, because the mean of its divisors is an integer number (543852463).

Almost surely, 2^7436728148 is an apocalyptic number.

It is an amenable number.

7436728148 is a deficient number, since it is larger than the sum of its proper divisors (5615730964).

7436728148 is a wasteful number, since it uses less digits than its factorization.

7436728148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 7436728148 is about 86236.4664628601. The cubic root of 7436728148 is about 1951.9138035960.

The spelling of 7436728148 in words is "seven billion, four hundred thirty-six million, seven hundred twenty-eight thousand, one hundred forty-eight".