728477002 has 16 divisors (see below), whose sum is σ = 1194518592. Its totient is φ = 330441120.

The previous prime is 728476981. The next prime is 728477003. The reversal of 728477002 is 200774827.

It is not an unprimeable number, because it can be changed into a prime (728477003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23283 + ... + 44710.

It is an arithmetic number, because the mean of its divisors is an integer number (74657412).

Almost surely, 2^728477002 is an apocalyptic number.

728477002 is a deficient number, since it is larger than the sum of its proper divisors (466041590).

728477002 is a wasteful number, since it uses less digits than its factorization.

728477002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68493.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 728477002 is about 26990.3131141526. The cubic root of 728477002 is about 899.7847229962.

The spelling of 728477002 in words is "seven hundred twenty-eight million, four hundred seventy-seven thousand, two".