7427694384 has 120 divisors (see below), whose sum is σ = 23434802160. Its totient is φ = 2250800640.

The previous prime is 7427694371. The next prime is 7427694401. The reversal of 7427694384 is 4834967247.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7427694384.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18777 + ... + 123320.

It is an arithmetic number, because the mean of its divisors is an integer number (195290018).

Almost surely, 2^7427694384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7427694384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11717401080).

7427694384 is an abundant number, since it is smaller than the sum of its proper divisors (16007107776).

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

7427694384 is a wasteful number, since it uses less digits than its factorization.

7427694384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142136 (or 142113 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 7427694384 is about 86184.0726816736. The cubic root of 7427694384 is about 1951.1231210509.

The spelling of 7427694384 in words is "seven billion, four hundred twenty-seven million, six hundred ninety-four thousand, three hundred eighty-four".