1673072830 has 64 divisors (see below), whose sum is σ = 3548966400. Its totient is φ = 559854720.

The previous prime is 1673072813. The next prime is 1673072839. The reversal of 1673072830 is 382703761.

It is a self number, because there is not a number n which added to its sum of digits gives 1673072830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673072839) 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, 511741 + ... + 514999.

It is an arithmetic number, because the mean of its divisors is an integer number (55452600).

Almost surely, 2^1673072830 is an apocalyptic number.

1673072830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673072830 is an abundant number, since it is smaller than the sum of its proper divisors (1875893570).

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

1673072830 is a wasteful number, since it uses less digits than its factorization.

1673072830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1673072830 is about 40903.2129544856. The cubic root of 1673072830 is about 1187.1482286588.

The spelling of 1673072830 in words is "one billion, six hundred seventy-three million, seventy-two thousand, eight hundred thirty".