7446774491 has 4 divisors (see below), whose sum is σ = 8019603312. Its totient is φ = 6873945672.

The previous prime is 7446774473. The next prime is 7446774493. The reversal of 7446774491 is 1944776447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1944776447 = 1753 ⋅1109399.

It is a cyclic number.

It is not a de Polignac number, because 7446774491 - 2⁶ = 7446774427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7446774493) 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, 286414391 + ... + 286414416.

It is an arithmetic number, because the mean of its divisors is an integer number (2004900828).

Almost surely, 2^7446774491 is an apocalyptic number.

7446774491 is a deficient number, since it is larger than the sum of its proper divisors (572828821).

7446774491 is a wasteful number, since it uses less digits than its factorization.

7446774491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572828820.

The product of its digits is 4741632, while the sum is 53.

The square root of 7446774491 is about 86294.6956133458. The cubic root of 7446774491 is about 1952.7923607406.

The spelling of 7446774491 in words is "seven billion, four hundred forty-six million, seven hundred seventy-four thousand, four hundred ninety-one".