7630040 has 32 divisors (see below), whose sum is σ = 18729360. Its totient is φ = 2774400.

The previous prime is 7630037. The next prime is 7630067. The reversal of 7630040 is 400367.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7629994 and 7630021.

It is a congruent number.

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, 8231 + ... + 9110.

Almost surely, 2^7630040 is an apocalyptic number.

It is an amenable number.

7630040 is an abundant number, since it is smaller than the sum of its proper divisors (11099320).

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

7630040 is a wasteful number, since it uses less digits than its factorization.

7630040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17359 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7630040 is about 2762.2527038633. The cubic root of 7630040 is about 196.8682156056.

The spelling of 7630040 in words is "seven million, six hundred thirty thousand, forty".