3721201487 has 4 divisors (see below), whose sum is σ = 3882992880. Its totient is φ = 3559410096.

The previous prime is 3721201469. The next prime is 3721201489. The reversal of 3721201487 is 7841021273.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3721201487 - 2¹⁰ = 3721200463 is a prime.

It is a super-2 number, since 2×3721201487² = 27694681013702022338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721201489) 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 3 ways as a sum of consecutive naturals, for example, 80895662 + ... + 80895707.

It is an arithmetic number, because the mean of its divisors is an integer number (970748220).

Almost surely, 2^3721201487 is an apocalyptic number.

3721201487 is a deficient number, since it is larger than the sum of its proper divisors (161791393).

3721201487 is a wasteful number, since it uses less digits than its factorization.

3721201487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161791392.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3721201487 is about 61001.6515104304. The cubic root of 3721201487 is about 1549.6289763356.

The spelling of 3721201487 in words is "three billion, seven hundred twenty-one million, two hundred one thousand, four hundred eighty-seven".