7429840772 has 12 divisors (see below), whose sum is σ = 13004845056. Its totient is φ = 3714170760.

The previous prime is 7429840753. The next prime is 7429840777. The reversal of 7429840772 is 2770489247.

It is a super-3 number, since 3×7429840772³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7429840772.

It is not an unprimeable number, because it can be changed into a prime (7429840777) by changing a digit.

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, 164804 + ... + 204987.

It is an arithmetic number, because the mean of its divisors is an integer number (1083737088).

Almost surely, 2^7429840772 is an apocalyptic number.

It is an amenable number.

7429840772 is a deficient number, since it is larger than the sum of its proper divisors (5575004284).

7429840772 is a wasteful number, since it uses less digits than its factorization.

7429840772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374818 (or 374816 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 7429840772 is about 86196.5241294566. The cubic root of 7429840772 is about 1951.3110422600.

The spelling of 7429840772 in words is "seven billion, four hundred twenty-nine million, eight hundred forty thousand, seven hundred seventy-two".