5642722378 has 8 divisors (see below), whose sum is σ = 8471623968. Its totient is φ = 2818847724.

The previous prime is 5642722369. The next prime is 5642722387. The reversal of 5642722378 is 8732272465.

It is an interprime number because it is at equal distance from previous prime (5642722369) and next prime (5642722387).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253926 + ... + 1258417.

It is an arithmetic number, because the mean of its divisors is an integer number (1058952996).

Almost surely, 2^5642722378 is an apocalyptic number.

5642722378 is a deficient number, since it is larger than the sum of its proper divisors (2828901590).

5642722378 is a wasteful number, since it uses less digits than its factorization.

5642722378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513468.

The product of its digits is 1128960, while the sum is 46.

The square root of 5642722378 is about 75118.0562714451. The cubic root of 5642722378 is about 1780.3124454685.

The spelling of 5642722378 in words is "five billion, six hundred forty-two million, seven hundred twenty-two thousand, three hundred seventy-eight".