731947104 has 432 divisors, whose sum is σ = 2682218448. Its totient is φ = 195084288.

The previous prime is 731947103. The next prime is 731947141. The reversal of 731947104 is 401749137.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731947103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6477352 + ... + 6477464.

It is an arithmetic number, because the mean of its divisors is an integer number (6208839).

Almost surely, 2^731947104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731947104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341109224).

731947104 is an abundant number, since it is smaller than the sum of its proper divisors (1950271344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731947104 is a wasteful number, since it uses less digits than its factorization.

731947104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 731947104 is about 27054.5209530681. The cubic root of 731947104 is about 901.2111693453.

The spelling of 731947104 in words is "seven hundred thirty-one million, nine hundred forty-seven thousand, one hundred four".