3721201477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7741021273 = 6569 ⋅1178417.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 23721201477 is an apocalyptic number.
It is an amenable number.
3721201477 is an equidigital number, since it uses as much as digits as its factorization.
3721201477 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 531600218.
The square root of 3721201477 is about 61001.6514284654. The cubic root of 3721201477 is about 1549.6289749475.
The spelling of 3721201477 in words is "three billion, seven hundred twenty-one million, two hundred one thousand, four hundred seventy-seven".