1673553090 has 32 divisors (see below), whose sum is σ = 4381667136. Its totient is φ = 405709760.

The previous prime is 1673553067. The next prime is 1673553097. The reversal of 1673553090 is 903553761.

It is not an unprimeable number, because it can be changed into a prime (1673553097) 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, 2535357 + ... + 2536016.

It is an arithmetic number, because the mean of its divisors is an integer number (136927098).

Almost surely, 2^1673553090 is an apocalyptic number.

1673553090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673553090 is an abundant number, since it is smaller than the sum of its proper divisors (2708114046).

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

1673553090 is a wasteful number, since it uses less digits than its factorization.

1673553090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071394.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 1673553090 is about 40909.0832212114. The cubic root of 1673553090 is about 1187.2618091424.

The spelling of 1673553090 in words is "one billion, six hundred seventy-three million, five hundred fifty-three thousand, ninety".