1673139970 has 8 divisors (see below), whose sum is σ = 3011651964. Its totient is φ = 669255984.

The previous prime is 1673139961. The next prime is 1673139997. The reversal of 1673139970 is 799313761.

It can be written as a sum of positive squares in 2 ways, for example, as 1669294449 + 3845521 = 40857^2 + 1961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1673139970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83656989 + ... + 83657008.

Almost surely, 2^1673139970 is an apocalyptic number.

1673139970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673139970 is a deficient number, since it is larger than the sum of its proper divisors (1338511994).

1673139970 is a wasteful number, since it uses less digits than its factorization.

1673139970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167314004.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 1673139970 is about 40904.0336641755. The cubic root of 1673139970 is about 1187.1641084349.

The spelling of 1673139970 in words is "one billion, six hundred seventy-three million, one hundred thirty-nine thousand, nine hundred seventy".