731009461 has 8 divisors (see below), whose sum is σ = 899704064. Its totient is φ = 578381040.

The previous prime is 731009453. The next prime is 731009527. The reversal of 731009461 is 164900137.

It is a happy number.

731009461 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 a cyclic number.

It is not a de Polignac number, because 731009461 - 2³ = 731009453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731009561) 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, 4016445 + ... + 4016626.

It is an arithmetic number, because the mean of its divisors is an integer number (112463008).

Almost surely, 2^731009461 is an apocalyptic number.

It is an amenable number.

731009461 is a deficient number, since it is larger than the sum of its proper divisors (168694603).

731009461 is a wasteful number, since it uses less digits than its factorization.

731009461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033091.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 731009461 is about 27037.1866324882. The cubic root of 731009461 is about 900.8261800361.

Adding to 731009461 its reverse (164900137), we get a palindrome (895909598).

The spelling of 731009461 in words is "seven hundred thirty-one million, nine thousand, four hundred sixty-one".