1406704673 has 4 divisors (see below), whose sum is σ = 1534586928. Its totient is φ = 1278822420.

The previous prime is 1406704631. The next prime is 1406704697. The reversal of 1406704673 is 3764076041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1406704673 - 2⁸ = 1406704417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406703673) 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, 63941111 + ... + 63941132.

It is an arithmetic number, because the mean of its divisors is an integer number (383646732).

Almost surely, 2^1406704673 is an apocalyptic number.

It is an amenable number.

1406704673 is a deficient number, since it is larger than the sum of its proper divisors (127882255).

1406704673 is a wasteful number, since it uses less digits than its factorization.

1406704673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127882254.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 1406704673 is about 37506.0618167250. The cubic root of 1406704673 is about 1120.4719187389.

The spelling of 1406704673 in words is "one billion, four hundred six million, seven hundred four thousand, six hundred seventy-three".