73787887072 has 12 divisors (see below), whose sum is σ = 145269902736. Its totient is φ = 36893943520.

The previous prime is 73787887007. The next prime is 73787887079. The reversal of 73787887072 is 27078878737.

It is a junction number, because it is equal to n+sod(n) for n = 73787886995 and 73787887013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73787887079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152935704 + ... + 1152935767.

It is an arithmetic number, because the mean of its divisors is an integer number (12105825228).

Almost surely, 2^73787887072 is an apocalyptic number.

It is an amenable number.

73787887072 is a deficient number, since it is larger than the sum of its proper divisors (71482015664).

73787887072 is a wasteful number, since it uses less digits than its factorization.

73787887072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305871481 (or 2305871473 counting only the distinct ones).

The product of its (nonzero) digits is 51631104, while the sum is 64.

The spelling of 73787887072 in words is "seventy-three billion, seven hundred eighty-seven million, eight hundred eighty-seven thousand, seventy-two".