7663040 has 112 divisors (see below), whose sum is σ = 22823424. Its totient is φ = 2380800.

The previous prime is 7663009. The next prime is 7663049. The reversal of 7663040 is 403667.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24485 + ... + 24795.

Almost surely, 2^7663040 is an apocalyptic number.

7663040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11411712).

7663040 is an abundant number, since it is smaller than the sum of its proper divisors (15160384).

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

7663040 is a wasteful number, since it uses less digits than its factorization.

7663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 7663040 is about 2768.2196444647. The cubic root of 7663040 is about 197.1516264190.

The spelling of 7663040 in words is "seven million, six hundred sixty-three thousand, forty".