1742407374644 has 6 divisors (see below), whose sum is σ = 3049212905634. Its totient is φ = 871203687320.

The previous prime is 1742407374641. The next prime is 1742407374677. The reversal of 1742407374644 is 4464737042471.

It can be written as a sum of positive squares in only one way, i.e., 1650454090000 + 91953284644 = 1284700^2 + 303238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742407374641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217800921827 + ... + 217800921834.

It is an arithmetic number, because the mean of its divisors is an integer number (508202150939).

Almost surely, 2^{1742407374644} is an apocalyptic number.

It is an amenable number.

1742407374644 is a deficient number, since it is larger than the sum of its proper divisors (1306805530990).

1742407374644 is a wasteful number, since it uses less digits than its factorization.

1742407374644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435601843665 (or 435601843663 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 53.

The spelling of 1742407374644 in words is "one trillion, seven hundred forty-two billion, four hundred seven million, three hundred seventy-four thousand, six hundred forty-four".