1742320307 has 16 divisors (see below), whose sum is σ = 2156394240. Its totient is φ = 1370824992.

The previous prime is 1742320303. The next prime is 1742320331. The reversal of 1742320307 is 7030232471.

It is a cyclic number.

It is not a de Polignac number, because 1742320307 - 2² = 1742320303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1742320307.

It is not an unprimeable number, because it can be changed into a prime (1742320303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37193 + ... + 69770.

It is an arithmetic number, because the mean of its divisors is an integer number (134774640).

Almost surely, 2^1742320307 is an apocalyptic number.

1742320307 is a deficient number, since it is larger than the sum of its proper divisors (414073933).

1742320307 is a wasteful number, since it uses less digits than its factorization.

1742320307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107162.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1742320307 is about 41741.1105146952. The cubic root of 1742320307 is about 1203.3057707503.

Adding to 1742320307 its reverse (7030232471), we get a palindrome (8772552778).

The spelling of 1742320307 in words is "one billion, seven hundred forty-two million, three hundred twenty thousand, three hundred seven".