7742125012 has 12 divisors (see below), whose sum is σ = 14015916180. Its totient is φ = 3737577536.

The previous prime is 7742124991. The next prime is 7742125033. The reversal of 7742125012 is 2105212477.

It is an interprime number because it is at equal distance from previous prime (7742124991) and next prime (7742125033).

It can be written as a sum of positive squares in 2 ways, for example, as 1881303876 + 5860821136 = 43374^2 + 76556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33371113 + ... + 33371344.

It is an arithmetic number, because the mean of its divisors is an integer number (1167993015).

Almost surely, 2^7742125012 is an apocalyptic number.

It is an amenable number.

7742125012 is a deficient number, since it is larger than the sum of its proper divisors (6273791168).

7742125012 is a wasteful number, since it uses less digits than its factorization.

7742125012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66742490 (or 66742488 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 7742125012 is about 87989.3460141624. The cubic root of 7742125012 is about 1978.2752906058.

Adding to 7742125012 its reverse (2105212477), we get a palindrome (9847337489).

The spelling of 7742125012 in words is "seven billion, seven hundred forty-two million, one hundred twenty-five thousand, twelve".