1673265090 has 64 divisors (see below), whose sum is σ = 4617778176. Its totient is φ = 380106432.

The previous prime is 1673265089. The next prime is 1673265091. The reversal of 1673265090 is 905623761.

It is an interprime number because it is at equal distance from previous prime (1673265089) and next prime (1673265091).

It is a super-2 number, since 2×1673265090² = 5599632122825416200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1673265091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9789 + ... + 58671.

It is an arithmetic number, because the mean of its divisors is an integer number (72152784).

Almost surely, 2^1673265090 is an apocalyptic number.

1673265090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673265090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308889088).

1673265090 is an abundant number, since it is smaller than the sum of its proper divisors (2944513086).

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

1673265090 is a wasteful number, since it uses less digits than its factorization.

1673265090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49063.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1673265090 is about 40905.5630690986. The cubic root of 1673265090 is about 1187.1937003546.

The spelling of 1673265090 in words is "one billion, six hundred seventy-three million, two hundred sixty-five thousand, ninety".