731354012 has 12 divisors (see below), whose sum is σ = 1281430416. Its totient is φ = 365231040.

The previous prime is 731353999. The next prime is 731354017. The reversal of 731354012 is 210453137.

It is a super-2 number, since 2×731354012² = 1069757381736992288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731354017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107789 + ... + 114372.

It is an arithmetic number, because the mean of its divisors is an integer number (106785868).

Almost surely, 2^731354012 is an apocalyptic number.

It is an amenable number.

731354012 is a deficient number, since it is larger than the sum of its proper divisors (550076404).

731354012 is a wasteful number, since it uses less digits than its factorization.

731354012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222988 (or 222986 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 731354012 is about 27043.5576801574. The cubic root of 731354012 is about 900.9676883776.

The spelling of 731354012 in words is "seven hundred thirty-one million, three hundred fifty-four thousand, twelve".