728141637 has 8 divisors (see below), whose sum is σ = 1027964736. Its totient is φ = 456873152.

The previous prime is 728141627. The next prime is 728141641. The reversal of 728141637 is 736141827.

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 728141637 - 2¹⁴ = 728125253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728141595 and 728141604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728141627) 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, 7138593 + ... + 7138694.

It is an arithmetic number, because the mean of its divisors is an integer number (128495592).

Almost surely, 2^728141637 is an apocalyptic number.

It is an amenable number.

728141637 is a deficient number, since it is larger than the sum of its proper divisors (299823099).

728141637 is a wasteful number, since it uses less digits than its factorization.

728141637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14277307.

The product of its digits is 56448, while the sum is 39.

The square root of 728141637 is about 26984.0997070497. The cubic root of 728141637 is about 899.6466254673.

The spelling of 728141637 in words is "seven hundred twenty-eight million, one hundred forty-one thousand, six hundred thirty-seven".