3728087417 has 2 divisors, whose sum is σ = 3728087418. Its totient is φ = 3728087416.

The previous prime is 3728087399. The next prime is 3728087449. The reversal of 3728087417 is 7147808273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3696153616 + 31933801 = 60796^2 + 5651^2 .

It is an emirp because it is prime and its reverse (7147808273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3728087417 - 2⁶ = 3728087353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3728087317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864043708 + 1864043709.

It is an arithmetic number, because the mean of its divisors is an integer number (1864043709).

Almost surely, 2^3728087417 is an apocalyptic number.

It is an amenable number.

3728087417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728087417 is an equidigital number, since it uses as much as digits as its factorization.

3728087417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 3728087417 is about 61058.0659454588. The cubic root of 3728087417 is about 1550.5842288792.

The spelling of 3728087417 in words is "three billion, seven hundred twenty-eight million, eighty-seven thousand, four hundred seventeen".