731481401 has 8 divisors (see below), whose sum is σ = 837977280. Its totient is φ = 625485168.

The previous prime is 731481391. The next prime is 731481409. The reversal of 731481401 is 104184137.

731481401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 731481401 - 2¹⁰ = 731480377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731481409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121766 + ... + 127631.

It is an arithmetic number, because the mean of its divisors is an integer number (104747160).

Almost surely, 2^731481401 is an apocalyptic number.

It is an amenable number.

731481401 is a deficient number, since it is larger than the sum of its proper divisors (106495879).

731481401 is a wasteful number, since it uses less digits than its factorization.

731481401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249823.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 731481401 is about 27045.9128335503. The cubic root of 731481401 is about 901.0199962467.

The spelling of 731481401 in words is "seven hundred thirty-one million, four hundred eighty-one thousand, four hundred one".