7455130 has 16 divisors (see below), whose sum is σ = 13782600. Its totient is φ = 2901312.

The previous prime is 7455121. The next prime is 7455179. The reversal of 7455130 is 315547.

It can be written as a sum of positive squares in 4 ways, for example, as 6974881 + 480249 = 2641^2 + 693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7455095 and 7455104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9705 + ... + 10444.

Almost surely, 2^7455130 is an apocalyptic number.

7455130 is a deficient number, since it is larger than the sum of its proper divisors (6327470).

7455130 is a wasteful number, since it uses less digits than its factorization.

7455130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7455130 is about 2730.4083943615. The cubic root of 7455130 is about 195.3522452022.

The spelling of 7455130 in words is "seven million, four hundred fifty-five thousand, one hundred thirty".