59728973 has 4 divisors (see below), whose sum is σ = 63242460. Its totient is φ = 56215488.

The previous prime is 59728969. The next prime is 59728997. The reversal of 59728973 is 37982795.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22250089 + 37478884 = 4717^2 + 6122^2 .

It is a cyclic number.

It is not a de Polignac number, because 59728973 - 2² = 59728969 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 (59728073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756718 + ... + 1756751.

It is an arithmetic number, because the mean of its divisors is an integer number (15810615).

Almost surely, 2^59728973 is an apocalyptic number.

It is an amenable number.

59728973 is a deficient number, since it is larger than the sum of its proper divisors (3513487).

59728973 is a wasteful number, since it uses less digits than its factorization.

59728973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513486.

The product of its digits is 952560, while the sum is 50.

The square root of 59728973 is about 7728.4521736244. The cubic root of 59728973 is about 390.8964105283.

The spelling of 59728973 in words is "fifty-nine million, seven hundred twenty-eight thousand, nine hundred seventy-three".