73603147401 has 27 divisors (see below), whose sum is σ = 123682889421.
Its totient is φ = 42055685784.
The previous prime is 73603147393. The next prime is 73603147417. The reversal of 73603147401 is 10474130637.
Multipling 73603147401 by its sum of digits (36), we get a square (2649713306436 = 16277942).
The square root of 73603147401 is 271299.
It is a perfect power (a square), and thus also a powerful number.
73603147401 is a `hidden beast` number, since 7 + 3 + 603 + 1 + 4 + 7 + 40 + 1 = 666.
It is not a de Polignac number, because 73603147401 - 23 = 73603147393 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (73603147441) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5690820 + ... + 5703738.
Almost surely, 273603147401 is an apocalyptic number.
73603147401 is the 271299-th square number.
73603147401 is the 135650-th centered octagonal number.
It is an amenable number.
73603147401 is a deficient number, since it is larger than the sum of its proper divisors (50079742020).
73603147401 is an frugal number, since it uses more digits than its factorization.
73603147401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25858 (or 12929 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The spelling of 73603147401 in words is "seventy-three billion, six hundred three million, one hundred forty-seven thousand, four hundred one".