7480405252 has 12 divisors (see below), whose sum is σ = 13091673420. Its totient is φ = 3739927136.

The previous prime is 7480405237. The next prime is 7480405277. The reversal of 7480405252 is 2525040847.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5817723076 + 1662682176 = 76274^2 + 40776^2 .

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, 163 + ... + 122314.

It is an arithmetic number, because the mean of its divisors is an integer number (1090972785).

Almost surely, 2^7480405252 is an apocalyptic number.

It is an amenable number.

7480405252 is a deficient number, since it is larger than the sum of its proper divisors (5611268168).

7480405252 is a wasteful number, since it uses less digits than its factorization.

7480405252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137750 (or 137748 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 7480405252 is about 86489.3360594241. The cubic root of 7480405252 is about 1955.7276484115.

The spelling of 7480405252 in words is "seven billion, four hundred eighty million, four hundred five thousand, two hundred fifty-two".