73356543772 has 6 divisors (see below), whose sum is σ = 128373951608. Its totient is φ = 36678271884.

The previous prime is 73356543731. The next prime is 73356543773. The reversal of 73356543772 is 27734565337.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73356543773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9169567968 + ... + 9169567975.

Almost surely, 2^73356543772 is an apocalyptic number.

It is an amenable number.

73356543772 is a deficient number, since it is larger than the sum of its proper divisors (55017407836).

73356543772 is a wasteful number, since it uses less digits than its factorization.

73356543772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18339135947 (or 18339135945 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 52.

The spelling of 73356543772 in words is "seventy-three billion, three hundred fifty-six million, five hundred forty-three thousand, seven hundred seventy-two".