731011073 has 8 divisors (see below), whose sum is σ = 828676800. Its totient is φ = 639264528.

The previous prime is 731011049. The next prime is 731011079. The reversal of 731011073 is 370110137.

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 731011073 - 2¹⁴ = 730994689 is a prime.

It is a super-2 number, since 2×731011073² = 1068754377697222658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731011079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479533 + ... + 1480026.

It is an arithmetic number, because the mean of its divisors is an integer number (103584600).

Almost surely, 2^731011073 is an apocalyptic number.

It is an amenable number.

731011073 is a deficient number, since it is larger than the sum of its proper divisors (97665727).

731011073 is a wasteful number, since it uses less digits than its factorization.

731011073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959591.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 731011073 is about 27037.2164432658. The cubic root of 731011073 is about 900.8268421939.

The spelling of 731011073 in words is "seven hundred thirty-one million, eleven thousand, seventy-three".