72946640824334 has 4 divisors (see below), whose sum is σ = 109419961236504. Its totient is φ = 36473320412166.

The previous prime is 72946640824319. The next prime is 72946640824427. The reversal of 72946640824334 is 43342804664927.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18236660206082 + ... + 18236660206085.

It is an arithmetic number, because the mean of its divisors is an integer number (27354990309126).

Almost surely, 2^{72946640824334} is an apocalyptic number.

72946640824334 is a deficient number, since it is larger than the sum of its proper divisors (36473320412170).

72946640824334 is a wasteful number, since it uses less digits than its factorization.

72946640824334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36473320412169.

The product of its (nonzero) digits is 167215104, while the sum is 62.

The spelling of 72946640824334 in words is "seventy-two trillion, nine hundred forty-six billion, six hundred forty million, eight hundred twenty-four thousand, three hundred thirty-four".