7740772 has 12 divisors (see below), whose sum is σ = 14588476. Its totient is φ = 3572640.

The previous prime is 7740757. The next prime is 7740773. The reversal of 7740772 is 2770477.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 6937956 = 896^2 + 2634^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7740773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74379 + ... + 74482.

Almost surely, 2^7740772 is an apocalyptic number.

It is an amenable number.

7740772 is a deficient number, since it is larger than the sum of its proper divisors (6847704).

7740772 is a wasteful number, since it uses less digits than its factorization.

7740772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148878 (or 148876 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 34.

The square root of 7740772 is about 2782.2242900241. The cubic root of 7740772 is about 197.8160042913.

The spelling of 7740772 in words is "seven million, seven hundred forty thousand, seven hundred seventy-two".