7494474291 has 4 divisors (see below), whose sum is σ = 9992632392. Its totient is φ = 4996316192.

The previous prime is 7494474269. The next prime is 7494474313. The reversal of 7494474291 is 1924744947.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7494474269) and next prime (7494474313).

It is a cyclic number.

It is not a de Polignac number, because 7494474291 - 2⁶ = 7494474227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7494475291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249079046 + ... + 1249079051.

It is an arithmetic number, because the mean of its divisors is an integer number (2498158098).

Almost surely, 2^7494474291 is an apocalyptic number.

7494474291 is a deficient number, since it is larger than the sum of its proper divisors (2498158101).

7494474291 is a wasteful number, since it uses less digits than its factorization.

7494474291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498158100.

The product of its digits is 2032128, while the sum is 51.

The square root of 7494474291 is about 86570.6318043250. The cubic root of 7494474291 is about 1956.9529820472.

The spelling of 7494474291 in words is "seven billion, four hundred ninety-four million, four hundred seventy-four thousand, two hundred ninety-one".