74000249566864 has 10 divisors (see below), whose sum is σ = 143375483535830. Its totient is φ = 37000124783424.

The previous prime is 74000249566861. The next prime is 74000249566883. The reversal of 74000249566864 is 46866594200047.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62778365958400 + 11221883608464 = 7923280^2 + 3349908^2 .

It is not an unprimeable number, because it can be changed into a prime (74000249566861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312507798949 + ... + 2312507798980.

It is an arithmetic number, because the mean of its divisors is an integer number (14337548353583).

Almost surely, 2^{74000249566864} is an apocalyptic number.

It is an amenable number.

74000249566864 is a deficient number, since it is larger than the sum of its proper divisors (69375233968966).

74000249566864 is a wasteful number, since it uses less digits than its factorization.

74000249566864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625015597937 (or 4625015597931 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 74000249566864 in words is "seventy-four trillion, two hundred forty-nine million, five hundred sixty-six thousand, eight hundred sixty-four".