1673730354 has 32 divisors (see below), whose sum is σ = 3428417664. Its totient is φ = 544527360.

The previous prime is 1673730353. The next prime is 1673730367. The reversal of 1673730354 is 4530373761.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1673730353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47739 + ... + 75009.

It is an arithmetic number, because the mean of its divisors is an integer number (107138052).

Almost surely, 2^1673730354 is an apocalyptic number.

1673730354 is an abundant number, since it is smaller than the sum of its proper divisors (1754687310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673730354 is a wasteful number, since it uses less digits than its factorization.

1673730354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27522.

The product of its (nonzero) digits is 158760, while the sum is 39.

The square root of 1673730354 is about 40911.2497242507. The cubic root of 1673730354 is about 1187.3037262166.

The spelling of 1673730354 in words is "one billion, six hundred seventy-three million, seven hundred thirty thousand, three hundred fifty-four".