73774054656376 has 8 divisors (see below), whose sum is σ = 138326352480720. Its totient is φ = 36887027328184.

The previous prime is 73774054656329. The next prime is 73774054656377. The reversal of 73774054656376 is 67365645047737.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×73774054656376² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73774054656377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610878416016 + ... + 4610878416031.

It is an arithmetic number, because the mean of its divisors is an integer number (17290794060090).

Almost surely, 2^{73774054656376} is an apocalyptic number.

It is an amenable number.

73774054656376 is a deficient number, since it is larger than the sum of its proper divisors (64552297824344).

73774054656376 is a wasteful number, since it uses less digits than its factorization.

73774054656376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221756832053 (or 9221756832049 counting only the distinct ones).

The product of its (nonzero) digits is 1867017600, while the sum is 70.

The spelling of 73774054656376 in words is "seventy-three trillion, seven hundred seventy-four billion, fifty-four million, six hundred fifty-six thousand, three hundred seventy-six".