74000661 has 8 divisors (see below), whose sum is σ = 112762944. Its totient is φ = 42286080.

The previous prime is 74000617. The next prime is 74000669. The reversal of 74000661 is 16600047.

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

It is not a de Polignac number, because 74000661 - 2⁹ = 74000149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761900 + ... + 1761941.

It is an arithmetic number, because the mean of its divisors is an integer number (14095368).

Almost surely, 2^74000661 is an apocalyptic number.

It is an amenable number.

74000661 is a deficient number, since it is larger than the sum of its proper divisors (38762283).

74000661 is a wasteful number, since it uses less digits than its factorization.

74000661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523851.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 74000661 is about 8602.3636868014. The cubic root of 74000661 is about 419.8348954223.

The spelling of 74000661 in words is "seventy-four million, six hundred sixty-one", and thus it is an aban number.