7382421388 has 48 divisors (see below), whose sum is σ = 13325114880. Its totient is φ = 3577564224.

The previous prime is 7382421359. The next prime is 7382421413. The reversal of 7382421388 is 8831242837.

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, 4536631 + ... + 4538257.

It is an arithmetic number, because the mean of its divisors is an integer number (277606560).

Almost surely, 2^7382421388 is an apocalyptic number.

It is an amenable number.

7382421388 is a deficient number, since it is larger than the sum of its proper divisors (5942693492).

7382421388 is a wasteful number, since it uses less digits than its factorization.

7382421388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 7382421388 is about 85921.0183133324. The cubic root of 7382421388 is about 1947.1509028800.

The spelling of 7382421388 in words is "seven billion, three hundred eighty-two million, four hundred twenty-one thousand, three hundred eighty-eight".