728658948 has 12 divisors (see below), whose sum is σ = 1700204240. Its totient is φ = 242886312.

The previous prime is 728658943. The next prime is 728658971. The reversal of 728658948 is 849856827.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (728658943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30360778 + ... + 30360801.

Almost surely, 2^728658948 is an apocalyptic number.

It is an amenable number.

728658948 is an abundant number, since it is smaller than the sum of its proper divisors (971545292).

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

728658948 is a wasteful number, since it uses less digits than its factorization.

728658948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60721586 (or 60721584 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 728658948 is about 26993.6834833633. The cubic root of 728658948 is about 899.8596274900.

The spelling of 728658948 in words is "seven hundred twenty-eight million, six hundred fifty-eight thousand, nine hundred forty-eight".