1740085812 has 36 divisors (see below), whose sum is σ = 4417778820. Its totient is φ = 577492992.

The previous prime is 1740085807. The next prime is 1740085819. The reversal of 1740085812 is 2185800471.

1740085812 is a `hidden beast` number, since 1 + 74 + 0 + 0 + 8 + 581 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1333418256 + 406667556 = 36516^2 + 20166^2 .

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740085819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97293 + ... + 113780.

Almost surely, 2^1740085812 is an apocalyptic number.

1740085812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1740085812 is an abundant number, since it is smaller than the sum of its proper divisors (2677693008).

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

1740085812 is a wasteful number, since it uses less digits than its factorization.

1740085812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211312 (or 211307 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1740085812 is about 41714.3358091676. The cubic root of 1740085812 is about 1202.7911445600.

The spelling of 1740085812 in words is "one billion, seven hundred forty million, eighty-five thousand, eight hundred twelve".