1673556954 has 16 divisors (see below), whose sum is σ = 3397071648. Its totient is φ = 549526032.

The previous prime is 1673556919. The next prime is 1673557001. The reversal of 1673556954 is 4596553761.

It is a junction number, because it is equal to n+sod(n) for n = 1673556897 and 1673556906.

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, 2081137 + ... + 2081940.

It is an arithmetic number, because the mean of its divisors is an integer number (212316978).

Almost surely, 2^1673556954 is an apocalyptic number.

1673556954 is an abundant number, since it is smaller than the sum of its proper divisors (1723514694).

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

1673556954 is a wasteful number, since it uses less digits than its factorization.

1673556954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163149.

The product of its digits is 3402000, while the sum is 51.

The square root of 1673556954 is about 40909.1304478597. The cubic root of 1673556954 is about 1187.2627228822.

The spelling of 1673556954 in words is "one billion, six hundred seventy-three million, five hundred fifty-six thousand, nine hundred fifty-four".