1147774473 has 12 divisors (see below), whose sum is σ = 1711377408. Its totient is φ = 740499480.

The previous prime is 1147774421. The next prime is 1147774513. The reversal of 1147774473 is 3744777411.

It is not a de Polignac number, because 1147774473 - 2⁶ = 1147774409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147774073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2056665 + ... + 2057222.

It is an arithmetic number, because the mean of its divisors is an integer number (142614784).

Almost surely, 2^1147774473 is an apocalyptic number.

It is an amenable number.

1147774473 is a deficient number, since it is larger than the sum of its proper divisors (563602935).

1147774473 is a wasteful number, since it uses less digits than its factorization.

1147774473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113924 (or 4113921 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 1147774473 is about 33878.8204192531. The cubic root of 1147774473 is about 1047.0132728481.

The spelling of 1147774473 in words is "one billion, one hundred forty-seven million, seven hundred seventy-four thousand, four hundred seventy-three".