728192414 has 4 divisors (see below), whose sum is σ = 1092288624. Its totient is φ = 364096206.

The previous prime is 728192389. The next prime is 728192417. The reversal of 728192414 is 414291827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414291827 = 19 ⋅21804833.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728192417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182048102 + ... + 182048105.

It is an arithmetic number, because the mean of its divisors is an integer number (273072156).

Almost surely, 2^728192414 is an apocalyptic number.

728192414 is a deficient number, since it is larger than the sum of its proper divisors (364096210).

728192414 is a wasteful number, since it uses less digits than its factorization.

728192414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364096209.

The product of its digits is 32256, while the sum is 38.

The square root of 728192414 is about 26985.0405595397. The cubic root of 728192414 is about 899.6675372847.

The spelling of 728192414 in words is "seven hundred twenty-eight million, one hundred ninety-two thousand, four hundred fourteen".