3728920322 has 8 divisors (see below), whose sum is σ = 5602081296. Its totient is φ = 1861559892.

The previous prime is 3728920277. The next prime is 3728920331. The reversal of 3728920322 is 2230298273.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448528 + ... + 1451099.

It is an arithmetic number, because the mean of its divisors is an integer number (700260162).

Almost surely, 2^3728920322 is an apocalyptic number.

3728920322 is a deficient number, since it is larger than the sum of its proper divisors (1873160974).

3728920322 is a wasteful number, since it uses less digits than its factorization.

3728920322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900272.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3728920322 is about 61064.8861621800. The cubic root of 3728920322 is about 1550.6996940893.

The spelling of 3728920322 in words is "three billion, seven hundred twenty-eight million, nine hundred twenty thousand, three hundred twenty-two".