7242117544 has 16 divisors (see below), whose sum is σ = 13605973920. Its totient is φ = 3613857840.

The previous prime is 7242117527. The next prime is 7242117581. The reversal of 7242117544 is 4457112427.

It is a super-3 number, since 3×7242117544³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895842 + ... + 903889.

It is an arithmetic number, because the mean of its divisors is an integer number (850373370).

Almost surely, 2^7242117544 is an apocalyptic number.

It is an amenable number.

7242117544 is a deficient number, since it is larger than the sum of its proper divisors (6363856376).

7242117544 is a wasteful number, since it uses less digits than its factorization.

7242117544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800240 (or 1800236 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 7242117544 is about 85100.6318660443. The cubic root of 7242117544 is about 1934.7366403277.

The spelling of 7242117544 in words is "seven billion, two hundred forty-two million, one hundred seventeen thousand, five hundred forty-four".