1673738734 has 16 divisors (see below), whose sum is σ = 2589188976. Its totient is φ = 810864000.

The previous prime is 1673738707. The next prime is 1673738743. The reversal of 1673738734 is 4378373761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29092 + ... + 64759.

It is an arithmetic number, because the mean of its divisors is an integer number (161824311).

Almost surely, 2^1673738734 is an apocalyptic number.

1673738734 is a deficient number, since it is larger than the sum of its proper divisors (915450242).

1673738734 is a wasteful number, since it uses less digits than its factorization.

1673738734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94131.

The product of its digits is 1778112, while the sum is 49.

The square root of 1673738734 is about 40911.3521409400. The cubic root of 1673738734 is about 1187.3057077362.

The spelling of 1673738734 in words is "one billion, six hundred seventy-three million, seven hundred thirty-eight thousand, seven hundred thirty-four".