728752379 has 8 divisors (see below), whose sum is σ = 771986880. Its totient is φ = 685558656.

The previous prime is 728752373. The next prime is 728752393. The reversal of 728752379 is 973257827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728752379 - 2⁴ = 728752363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728752373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31517 + ... + 49505.

It is an arithmetic number, because the mean of its divisors is an integer number (96498360).

Almost surely, 2^728752379 is an apocalyptic number.

728752379 is a deficient number, since it is larger than the sum of its proper divisors (43234501).

728752379 is a wasteful number, since it uses less digits than its factorization.

728752379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389.

The product of its digits is 1481760, while the sum is 50.

The square root of 728752379 is about 26995.4140364618. The cubic root of 728752379 is about 899.8980868140.

The spelling of 728752379 in words is "seven hundred twenty-eight million, seven hundred fifty-two thousand, three hundred seventy-nine".