7125631400 has 24 divisors (see below), whose sum is σ = 16567093470. Its totient is φ = 2850252480.

The previous prime is 7125631391. The next prime is 7125631451. The reversal of 7125631400 is 41365217.

It can be written as a sum of positive squares in 3 ways, for example, as 6078073444 + 1047557956 = 77962^2 + 32366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17813879 + ... + 17814278.

Almost surely, 2^7125631400 is an apocalyptic number.

It is an amenable number.

7125631400 is an abundant number, since it is smaller than the sum of its proper divisors (9441462070).

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

7125631400 is a wasteful number, since it uses less digits than its factorization.

7125631400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35628173 (or 35628164 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7125631400 is about 84413.4550886291. The cubic root of 7125631400 is about 1924.3074047458.

Adding to 7125631400 its reverse (41365217), we get a palindrome (7166996617).

The spelling of 7125631400 in words is "seven billion, one hundred twenty-five million, six hundred thirty-one thousand, four hundred".