731826428 has 6 divisors (see below), whose sum is σ = 1280696256. Its totient is φ = 365913212.

The previous prime is 731826427. The next prime is 731826509. The reversal of 731826428 is 824628137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731826427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91478300 + ... + 91478307.

It is an arithmetic number, because the mean of its divisors is an integer number (213449376).

Almost surely, 2^731826428 is an apocalyptic number.

It is an amenable number.

731826428 is a deficient number, since it is larger than the sum of its proper divisors (548869828).

731826428 is a wasteful number, since it uses less digits than its factorization.

731826428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182956611 (or 182956609 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 731826428 is about 27052.2906239010. The cubic root of 731826428 is about 901.1616391102.

The spelling of 731826428 in words is "seven hundred thirty-one million, eight hundred twenty-six thousand, four hundred twenty-eight".