7323906981 has 8 divisors (see below), whose sum is σ = 9765615904. Its totient is φ = 4882401360.

The previous prime is 7323906923. The next prime is 7323906983. The reversal of 7323906981 is 1896093237.

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

It is not a de Polignac number, because 7323906981 - 2¹³ = 7323898789 is a prime.

It is a super-2 number, since 2×7323906981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7323906981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7323906983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85386 + ... + 148116.

It is an arithmetic number, because the mean of its divisors is an integer number (1220701988).

Almost surely, 2^7323906981 is an apocalyptic number.

It is an amenable number.

7323906981 is a deficient number, since it is larger than the sum of its proper divisors (2441708923).

7323906981 is a wasteful number, since it uses less digits than its factorization.

7323906981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101651.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 7323906981 is about 85579.8281197152. The cubic root of 7323906981 is about 1941.9927605940.

The spelling of 7323906981 in words is "seven billion, three hundred twenty-three million, nine hundred six thousand, nine hundred eighty-one".