1712139732 has 18 divisors (see below), whose sum is σ = 4327908858. Its totient is φ = 570713232.

The previous prime is 1712139721. The next prime is 1712139743. The reversal of 1712139732 is 2379312171.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1712139721) and next prime (1712139743).

It can be written as a sum of positive squares in only one way, i.e., 1021185936 + 690953796 = 31956^2 + 26286^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 47559437 = 1712139732 / (1 + 7 + 1 + 2 + 1 + 3 + 9 + 7 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23779683 + ... + 23779754.

It is an arithmetic number, because the mean of its divisors is an integer number (240439381).

Almost surely, 2^1712139732 is an apocalyptic number.

1712139732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1712139732 is an abundant number, since it is smaller than the sum of its proper divisors (2615769126).

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

1712139732 is a wasteful number, since it uses less digits than its factorization.

1712139732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47559447 (or 47559442 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 1712139732 is about 41378.0102469899. The cubic root of 1712139732 is about 1196.3173516453.

The spelling of 1712139732 in words is "one billion, seven hundred twelve million, one hundred thirty-nine thousand, seven hundred thirty-two".