7740912 has 80 divisors (see below), whose sum is σ = 21248640. Its totient is φ = 2424576.

The previous prime is 7740907. The next prime is 7740913. The reversal of 7740912 is 2190477.

It is a self number, because there is not a number n which added to its sum of digits gives 7740912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7740913) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 93223 + ... + 93305.

It is an arithmetic number, because the mean of its divisors is an integer number (265608).

Almost surely, 2^7740912 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 7740912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10624320).

7740912 is an abundant number, since it is smaller than the sum of its proper divisors (13507728).

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

7740912 is a wasteful number, since it uses less digits than its factorization.

7740912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 7740912 is about 2782.2494496360. The cubic root of 7740912 is about 197.8171968542.

It can be divided in two parts, 77409 and 12, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 7740912 in words is "seven million, seven hundred forty thousand, nine hundred twelve".