57073072344 has 32 divisors (see below), whose sum is σ = 148886277120. Its totient is φ = 18197211296.

The previous prime is 57073072337. The next prime is 57073072349. The reversal of 57073072344 is 44327037075.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57073072296 and 57073072305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57073072349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51696072 + ... + 51697175.

It is an arithmetic number, because the mean of its divisors is an integer number (4652696160).

Almost surely, 2^57073072344 is an apocalyptic number.

It is an amenable number.

57073072344 is an abundant number, since it is smaller than the sum of its proper divisors (91813204776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57073072344 is a wasteful number, since it uses less digits than its factorization.

57073072344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103393279 (or 103393275 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 57073072344 in words is "fifty-seven billion, seventy-three million, seventy-two thousand, three hundred forty-four".