731415601 has 8 divisors (see below), whose sum is σ = 852963200. Its totient is φ = 626927364.

The previous prime is 731415557. The next prime is 731415613. The reversal of 731415601 is 106514137.

It is a de Polignac number, because none of the positive numbers 2^k-731415601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 731415601.

It is not an unprimeable number, because it can be changed into a prime (731415631) 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, 1065861 + ... + 1066546.

It is an arithmetic number, because the mean of its divisors is an integer number (106620400).

Almost surely, 2^731415601 is an apocalyptic number.

It is an amenable number.

731415601 is a deficient number, since it is larger than the sum of its proper divisors (121547599).

731415601 is an equidigital number, since it uses as much as digits as its factorization.

731415601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132428 (or 2132414 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 731415601 is about 27044.6963562174. The cubic root of 731415601 is about 900.9929785201.

Adding to 731415601 its reverse (106514137), we get a palindrome (837929738).

The spelling of 731415601 in words is "seven hundred thirty-one million, four hundred fifteen thousand, six hundred one".