7540630 has 16 divisors (see below), whose sum is σ = 13706784. Its totient is φ = 2986560.

The previous prime is 7540601. The next prime is 7540651. The reversal of 7540630 is 360457.

It is a super-2 number, since 2×7540630² = 113722201593800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7540595 and 7540604.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2631 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (856674).

Almost surely, 2^7540630 is an apocalyptic number.

7540630 is a deficient number, since it is larger than the sum of its proper divisors (6166154).

7540630 is a wasteful number, since it uses less digits than its factorization.

7540630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 7540630 is about 2746.0207573870. The cubic root of 7540630 is about 196.0962147355.

The spelling of 7540630 in words is "seven million, five hundred forty thousand, six hundred thirty".