1742640070772 has 6 divisors (see below), whose sum is σ = 3049620123858. Its totient is φ = 871320035384.

The previous prime is 1742640070771. The next prime is 1742640070781. The reversal of 1742640070772 is 2770700462471.

It can be written as a sum of positive squares in only one way, i.e., 1465465198096 + 277174872676 = 1210564^2 + 526474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742640070771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217830008843 + ... + 217830008850.

It is an arithmetic number, because the mean of its divisors is an integer number (508270020643).

Almost surely, 2^{1742640070772} is an apocalyptic number.

It is an amenable number.

1742640070772 is a deficient number, since it is larger than the sum of its proper divisors (1306980053086).

1742640070772 is a wasteful number, since it uses less digits than its factorization.

1742640070772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435660017697 (or 435660017695 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 47.

The spelling of 1742640070772 in words is "one trillion, seven hundred forty-two billion, six hundred forty million, seventy thousand, seven hundred seventy-two".