7250752840 has 32 divisors (see below), whose sum is σ = 16876755000. Its totient is φ = 2800290304.

The previous prime is 7250752801. The next prime is 7250752853. The reversal of 7250752840 is 482570527.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4556520004 + 2694232836 = 67502^2 + 51906^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7250752793 and 7250752802.

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, 3124165 + ... + 3126484.

Almost surely, 2^7250752840 is an apocalyptic number.

It is an amenable number.

7250752840 is an abundant number, since it is smaller than the sum of its proper divisors (9626002160).

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

7250752840 is a wasteful number, since it uses less digits than its factorization.

7250752840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250689 (or 6250685 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 7250752840 is about 85151.3525435738. The cubic root of 7250752840 is about 1935.5053099669.

The spelling of 7250752840 in words is "seven billion, two hundred fifty million, seven hundred fifty-two thousand, eight hundred forty".