1670740736 has 36 divisors (see below), whose sum is σ = 3811381392. Its totient is φ = 716030976.

The previous prime is 1670740727. The next prime is 1670740763. The reversal of 1670740736 is 6370470761.

It is a junction number, because it is equal to n+sod(n) for n = 1670740693 and 1670740702.

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, 464375 + ... + 467958.

Almost surely, 2^1670740736 is an apocalyptic number.

1670740736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1670740736 is an abundant number, since it is smaller than the sum of its proper divisors (2140640656).

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

1670740736 is an frugal number, since it uses more digits than its factorization.

1670740736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932356 (or 932342 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 1670740736 is about 40874.6955462668. The cubic root of 1670740736 is about 1186.5963840600.

The spelling of 1670740736 in words is "one billion, six hundred seventy million, seven hundred forty thousand, seven hundred thirty-six".