731487426 has 16 divisors (see below), whose sum is σ = 1463543328. Its totient is φ = 243734400.

The previous prime is 731487409. The next prime is 731487433. The reversal of 731487426 is 624784137.

731487426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×731487426² = 1070147708792210952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5935 + ... + 38706.

It is an arithmetic number, because the mean of its divisors is an integer number (91471458).

Almost surely, 2^731487426 is an apocalyptic number.

731487426 is an abundant number, since it is smaller than the sum of its proper divisors (732055902).

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

731487426 is a wasteful number, since it uses less digits than its factorization.

731487426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47377.

The product of its digits is 225792, while the sum is 42.

The square root of 731487426 is about 27046.0242179881. The cubic root of 731487426 is about 901.0224700533.

The spelling of 731487426 in words is "seven hundred thirty-one million, four hundred eighty-seven thousand, four hundred twenty-six".