727473650 has 48 divisors (see below), whose sum is σ = 1398318984. Its totient is φ = 281364480.

The previous prime is 727473631. The next prime is 727473679. The reversal of 727473650 is 56374727.

It can be written as a sum of positive squares in 12 ways, for example, as 476156041 + 251317609 = 21821^2 + 15853^2 .

It is a super-2 number, since 2×727473650² = 1058435822888645000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 727473598 and 727473607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318914 + ... + 321186.

Almost surely, 2^727473650 is an apocalyptic number.

727473650 is a deficient number, since it is larger than the sum of its proper divisors (670845334).

727473650 is a wasteful number, since it uses less digits than its factorization.

727473650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 727473650 is about 26971.7194483407. The cubic root of 727473650 is about 899.3714335348.

The spelling of 727473650 in words is "seven hundred twenty-seven million, four hundred seventy-three thousand, six hundred fifty".