60728957 has 4 divisors (see below), whose sum is σ = 60761280. Its totient is φ = 60696636.

The previous prime is 60728953. The next prime is 60728963. The reversal of 60728957 is 75982706.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75982706 = 2 ⋅37991353.

It is a cyclic number.

It is not a de Polignac number, because 60728957 - 2² = 60728953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60728953) 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 3 ways as a sum of consecutive naturals, for example, 13157 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (15190320).

Almost surely, 2^60728957 is an apocalyptic number.

It is an amenable number.

60728957 is a deficient number, since it is larger than the sum of its proper divisors (32323).

60728957 is a wasteful number, since it uses less digits than its factorization.

60728957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32322.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 60728957 is about 7792.8786080626. The cubic root of 60728957 is about 393.0658143742.

The spelling of 60728957 in words is "sixty million, seven hundred twenty-eight thousand, nine hundred fifty-seven".