7914253728 has 48 divisors (see below), whose sum is σ = 20882606976. Its totient is φ = 2624409600.

The previous prime is 7914253723. The next prime is 7914253741. The reversal of 7914253728 is 8273524197.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7914253723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195048 + ... + 232103.

It is an arithmetic number, because the mean of its divisors is an integer number (435054312).

Almost surely, 2^7914253728 is an apocalyptic number.

It is an amenable number.

7914253728 is an abundant number, since it is smaller than the sum of its proper divisors (12968353248).

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

7914253728 is a wasteful number, since it uses less digits than its factorization.

7914253728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427357 (or 427349 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 7914253728 is about 88962.0915221759. The cubic root of 7914253728 is about 1992.8287949749.

It can be divided in two parts, 79142 and 53728, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 7914253728 in words is "seven billion, nine hundred fourteen million, two hundred fifty-three thousand, seven hundred twenty-eight".