7797474 has 12 divisors (see below), whose sum is σ = 16894566. Its totient is φ = 2599152.

The previous prime is 7797463. The next prime is 7797481. The reversal of 7797474 is 4747977.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 1671849 = 2475^2 + 1293^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216579 + ... + 216614.

Almost surely, 2^7797474 is an apocalyptic number.

7797474 is an abundant number, since it is smaller than the sum of its proper divisors (9097092).

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

7797474 is a wasteful number, since it uses less digits than its factorization.

7797474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433201 (or 433198 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 7797474 is about 2792.3957455919. The cubic root of 7797474 is about 198.2978376481.

Subtracting from 7797474 its product of digits (345744), we obtain a triangular number (7451730 = T₃₈₆₀).

The spelling of 7797474 in words is "seven million, seven hundred ninety-seven thousand, four hundred seventy-four".