7424730073872 has 80 divisors (see below), whose sum is σ = 21672940968000. Its totient is φ = 2432962388736.

The previous prime is 7424730073829. The next prime is 7424730073907. The reversal of 7424730073872 is 2783700374247.

7424730073872 is a `hidden beast` number, since 7 + 424 + 73 + 0 + 0 + 73 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145625997 + ... + 145676972.

It is an arithmetic number, because the mean of its divisors is an integer number (270911762100).

Almost surely, 2^{7424730073872} is an apocalyptic number.

7424730073872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7424730073872 is an abundant number, since it is smaller than the sum of its proper divisors (14248210894128).

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

7424730073872 is a wasteful number, since it uses less digits than its factorization.

7424730073872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291303045 (or 291303033 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 54.

The spelling of 7424730073872 in words is "seven trillion, four hundred twenty-four billion, seven hundred thirty million, seventy-three thousand, eight hundred seventy-two".