66748010 has 16 divisors (see below), whose sum is σ = 137310336. Its totient is φ = 22885008.

The previous prime is 66747979. The next prime is 66748067. The reversal of 66748010 is 1084766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476702 + ... + 476841.

It is an arithmetic number, because the mean of its divisors is an integer number (8581896).

Almost surely, 2^66748010 is an apocalyptic number.

66748010 is an abundant number, since it is smaller than the sum of its proper divisors (70562326).

66748010 is a wasteful number, since it uses less digits than its factorization.

66748010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953557.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 66748010 is about 8169.9455322542. The cubic root of 66748010 is about 405.6449815379.

The spelling of 66748010 in words is "sixty-six million, seven hundred forty-eight thousand, ten".