1670735340 has 36 divisors (see below), whose sum is σ = 5067897744. Its totient is φ = 445529376.

The previous prime is 1670735321. The next prime is 1670735393. The reversal of 1670735340 is 435370761.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1670735295 and 1670735304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4640752 + ... + 4641111.

Almost surely, 2^1670735340 is an apocalyptic number.

1670735340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670735340 is an abundant number, since it is smaller than the sum of its proper divisors (3397162404).

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

1670735340 is a wasteful number, since it uses less digits than its factorization.

1670735340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281878 (or 9281873 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 1670735340 is about 40874.6295396056. The cubic root of 1670735340 is about 1186.5951066065.

The spelling of 1670735340 in words is "one billion, six hundred seventy million, seven hundred thirty-five thousand, three hundred forty".