1742872207 has 2 divisors, whose sum is σ = 1742872208. Its totient is φ = 1742872206.

The previous prime is 1742872169. The next prime is 1742872231. The reversal of 1742872207 is 7022782471.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742872207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1742872207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742872237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871436103 + 871436104.

It is an arithmetic number, because the mean of its divisors is an integer number (871436104).

Almost surely, 2^1742872207 is an apocalyptic number.

1742872207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742872207 is an equidigital number, since it uses as much as digits as its factorization.

1742872207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 1742872207 is about 41747.7209797134. The cubic root of 1742872207 is about 1203.4328109858.

The spelling of 1742872207 in words is "one billion, seven hundred forty-two million, eight hundred seventy-two thousand, two hundred seven".