1673021330 has 32 divisors (see below), whose sum is σ = 3122288640. Its totient is φ = 644765760.

The previous prime is 1673021297. The next prime is 1673021333. The reversal of 1673021330 is 331203761.

It is a self number, because there is not a number n which added to its sum of digits gives 1673021330.

It is not an unprimeable number, because it can be changed into a prime (1673021333) 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, 59207 + ... + 82773.

It is an arithmetic number, because the mean of its divisors is an integer number (97571520).

Almost surely, 2^1673021330 is an apocalyptic number.

1673021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673021330 is a deficient number, since it is larger than the sum of its proper divisors (1449267310).

1673021330 is a wasteful number, since it uses less digits than its factorization.

1673021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1673021330 is about 40902.5834147429. The cubic root of 1673021330 is about 1187.1360477264.

The spelling of 1673021330 in words is "one billion, six hundred seventy-three million, twenty-one thousand, three hundred thirty".