7628257012750 has 64 divisors (see below), whose sum is σ = 16494657746112. Its totient is φ = 2610740352000.

The previous prime is 7628257012721. The next prime is 7628257012771. The reversal of 7628257012750 is 572107528267.

It is a happy number.

It is a super-4 number, since 4×7628257012750⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81538887 + ... + 81632386.

It is an arithmetic number, because the mean of its divisors is an integer number (257729027283).

Almost surely, 2^{7628257012750} is an apocalyptic number.

7628257012750 is an abundant number, since it is smaller than the sum of its proper divisors (8866400733362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7628257012750 is a wasteful number, since it uses less digits than its factorization.

7628257012750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163171318 (or 163171308 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 7628257012750 in words is "seven trillion, six hundred twenty-eight billion, two hundred fifty-seven million, twelve thousand, seven hundred fifty".