66725102 has 8 divisors (see below), whose sum is σ = 105975216. Its totient is φ = 31400032.

The previous prime is 66725089. The next prime is 66725117. The reversal of 66725102 is 20152766.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981218 + ... + 981285.

It is an arithmetic number, because the mean of its divisors is an integer number (13246902).

Almost surely, 2^66725102 is an apocalyptic number.

66725102 is a deficient number, since it is larger than the sum of its proper divisors (39250114).

66725102 is a wasteful number, since it uses less digits than its factorization.

66725102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962522.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 66725102 is about 8168.5434442133. The cubic root of 66725102 is about 405.5985702740.

Adding to 66725102 its reverse (20152766), we get a palindrome (86877868).

The spelling of 66725102 in words is "sixty-six million, seven hundred twenty-five thousand, one hundred two".