728657150 has 24 divisors (see below), whose sum is σ = 1459557624. Its totient is φ = 269042400.

The previous prime is 728657141. The next prime is 728657159. The reversal of 728657150 is 51756827.

It is an interprime number because it is at equal distance from previous prime (728657141) and next prime (728657159).

It is a super-2 number, since 2×728657150² = 1061882484492245000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 728657098 and 728657107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728657159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559856 + ... + 561155.

It is an arithmetic number, because the mean of its divisors is an integer number (60814901).

Almost surely, 2^728657150 is an apocalyptic number.

728657150 is an abundant number, since it is smaller than the sum of its proper divisors (730900474).

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

728657150 is a wasteful number, since it uses less digits than its factorization.

728657150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121036 (or 1121031 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 728657150 is about 26993.6501792551. The cubic root of 728657150 is about 899.8588873409.

The spelling of 728657150 in words is "seven hundred twenty-eight million, six hundred fifty-seven thousand, one hundred fifty".