73740626554 has 96 divisors (see below), whose sum is σ = 140859129600. Its totient is φ = 28773803520.

The previous prime is 73740626503. The next prime is 73740626579. The reversal of 73740626554 is 45562604737.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 73740626498 and 73740626507.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 4633042 + ... + 4648930.

It is an arithmetic number, because the mean of its divisors is an integer number (1467282600).

Almost surely, 2^73740626554 is an apocalyptic number.

73740626554 is a deficient number, since it is larger than the sum of its proper divisors (67118503046).

73740626554 is a wasteful number, since it uses less digits than its factorization.

73740626554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16028 (or 16021 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 73740626554 in words is "seventy-three billion, seven hundred forty million, six hundred twenty-six thousand, five hundred fifty-four".