7239722990 has 8 divisors (see below), whose sum is σ = 13031501400. Its totient is φ = 2895889192.

The previous prime is 7239722953. The next prime is 7239722999. The reversal of 7239722990 is 992279327.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7239722999) 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, 361986140 + ... + 361986159.

It is an arithmetic number, because the mean of its divisors is an integer number (1628937675).

Almost surely, 2^7239722990 is an apocalyptic number.

7239722990 is a deficient number, since it is larger than the sum of its proper divisors (5791778410).

7239722990 is a wasteful number, since it uses less digits than its factorization.

7239722990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723972306.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 7239722990 is about 85086.5617474346. The cubic root of 7239722990 is about 1934.5233812438.

The spelling of 7239722990 in words is "seven billion, two hundred thirty-nine million, seven hundred twenty-two thousand, nine hundred ninety".