7938722 has 8 divisors (see below), whose sum is σ = 12990672. Its totient is φ = 3608500.

The previous prime is 7938649. The next prime is 7938727. The reversal of 7938722 is 2278397.

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

It is a d-powerful number, because it can be written as 7³ + 9⁶ + 3¹⁴ + 8⁷ + 7⁴ + 2⁷ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (7938727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180404 + ... + 180447.

It is an arithmetic number, because the mean of its divisors is an integer number (1623834).

Almost surely, 2^7938722 is an apocalyptic number.

7938722 is a deficient number, since it is larger than the sum of its proper divisors (5051950).

7938722 is a wasteful number, since it uses less digits than its factorization.

7938722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360864.

The product of its digits is 42336, while the sum is 38.

The square root of 7938722 is about 2817.5737789808. The cubic root of 7938722 is about 199.4880406061.

It can be divided in two parts, 7938 and 722, that multiplied together give a square (5731236 = 2394²).

The spelling of 7938722 in words is "seven million, nine hundred thirty-eight thousand, seven hundred twenty-two".