1729140912 has 40 divisors (see below), whose sum is σ = 4963276080. Its totient is φ = 576380160.

The previous prime is 1729140911. The next prime is 1729140913. The reversal of 1729140912 is 2190419271.

It is an interprime number because it is at equal distance from previous prime (1729140911) and next prime (1729140913).

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

It is not an unprimeable number, because it can be changed into a prime (1729140911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000889 + ... + 2001752.

It is an arithmetic number, because the mean of its divisors is an integer number (124081902).

Almost surely, 2^1729140912 is an apocalyptic number.

1729140912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1729140912 is an abundant number, since it is smaller than the sum of its proper divisors (3234135168).

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

1729140912 is a wasteful number, since it uses less digits than its factorization.

1729140912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002658 (or 4002646 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1729140912 is about 41582.9401557899. The cubic root of 1729140912 is about 1200.2640418973.

The spelling of 1729140912 in words is "one billion, seven hundred twenty-nine million, one hundred forty thousand, nine hundred twelve".