66674041 has 8 divisors (see below), whose sum is σ = 77272704. Its totient is φ = 56343840.

The previous prime is 66674011. The next prime is 66674107. The reversal of 66674041 is 14047666.

66674041 = 89² + 90² + ... + 585².

It is a happy number.

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

It is not a de Polignac number, because 66674041 - 2¹¹ = 66671993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66673988 and 66674006.

It is not an unprimeable number, because it can be changed into a prime (66674011) 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, 66580 + ... + 67573.

It is an arithmetic number, because the mean of its divisors is an integer number (9659088).

Almost surely, 2^66674041 is an apocalyptic number.

It is an amenable number.

66674041 is a deficient number, since it is larger than the sum of its proper divisors (10598663).

66674041 is a wasteful number, since it uses less digits than its factorization.

66674041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134231.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 66674041 is about 8165.4173806365. The cubic root of 66674041 is about 405.4950832153.

The spelling of 66674041 in words is "sixty-six million, six hundred seventy-four thousand, forty-one".