74040036740672 has 14 divisors (see below), whose sum is σ = 146923197907398. Its totient is φ = 37020018370304.

The previous prime is 74040036740641. The next prime is 74040036740731. The reversal of 74040036740672 is 27604763004047.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72752302014016 + 1287734726656 = 8529496^2 + 1134784^2 .

It is a super-3 number, since 3×74040036740672³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74040036740672.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578437786973 + ... + 578437787100.

Almost surely, 2^{74040036740672} is an apocalyptic number.

It is an amenable number.

74040036740672 is a deficient number, since it is larger than the sum of its proper divisors (72883161166726).

74040036740672 is a wasteful number, since it uses less digits than its factorization.

74040036740672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156875574085 (or 1156875574075 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 50.

The spelling of 74040036740672 in words is "seventy-four trillion, forty billion, thirty-six million, seven hundred forty thousand, six hundred seventy-two".