7730142632644 has 24 divisors (see below), whose sum is σ = 13535529072408. Its totient is φ = 3862848887040.

The previous prime is 7730142632629. The next prime is 7730142632713. The reversal of 7730142632644 is 4462362410377.

It can be written as a sum of positive squares in 4 ways, for example, as 351042030144 + 7379100602500 = 592488^2 + 2716450^2 .

It is a super-2 number, since 2×7730142632644² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171525874 + ... + 171570934.

It is an arithmetic number, because the mean of its divisors is an integer number (563980378017).

Almost surely, 2^{7730142632644} is an apocalyptic number.

It is an amenable number.

7730142632644 is a deficient number, since it is larger than the sum of its proper divisors (5805386439764).

7730142632644 is a wasteful number, since it uses less digits than its factorization.

7730142632644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68775 (or 68773 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 7730142632644 in words is "seven trillion, seven hundred thirty billion, one hundred forty-two million, six hundred thirty-two thousand, six hundred forty-four".