7690720 has 48 divisors (see below), whose sum is σ = 18452448. Its totient is φ = 3028480.

The previous prime is 7690703. The next prime is 7690721. The reversal of 7690720 is 270967.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7690721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11022 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (384426).

Almost surely, 2^7690720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7690720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9226224).

7690720 is an abundant number, since it is smaller than the sum of its proper divisors (10761728).

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

7690720 is a wasteful number, since it uses less digits than its factorization.

7690720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7690720 is about 2773.2147410541. The cubic root of 7690720 is about 197.3887211619.

The spelling of 7690720 in words is "seven million, six hundred ninety thousand, seven hundred twenty".