1674221347 has 32 divisors (see below), whose sum is σ = 1864800000. Its totient is φ = 1497346560.

The previous prime is 1674221287. The next prime is 1674221363. The reversal of 1674221347 is 7431224761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1674221347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674221377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3354904 + ... + 3355402.

It is an arithmetic number, because the mean of its divisors is an integer number (58275000).

Almost surely, 2^1674221347 is an apocalyptic number.

1674221347 is the 20459-th decagonal number.

1674221347 is a deficient number, since it is larger than the sum of its proper divisors (190578653).

1674221347 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (1674221346) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (691).

1674221347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 56448, while the sum is 37.

The square root of 1674221347 is about 40917.2499931264. The cubic root of 1674221347 is about 1187.4198143751.

The spelling of 1674221347 in words is "one billion, six hundred seventy-four million, two hundred twenty-one thousand, three hundred forty-seven".