72533104342444 has 6 divisors (see below), whose sum is σ = 126932932599284. Its totient is φ = 36266552171220.

The previous prime is 72533104342409. The next prime is 72533104342459. The reversal of 72533104342444 is 44424340133527.

It is a happy number.

It is a super-2 number, since 2×72533104342444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72533104342394 and 72533104342403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066638042802 + ... + 9066638042809.

Almost surely, 2^{72533104342444} is an apocalyptic number.

It is an amenable number.

72533104342444 is a deficient number, since it is larger than the sum of its proper divisors (54399828256840).

72533104342444 is a wasteful number, since it uses less digits than its factorization.

72533104342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133276085615 (or 18133276085613 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 46.

The spelling of 72533104342444 in words is "seventy-two trillion, five hundred thirty-three billion, one hundred four million, three hundred forty-two thousand, four hundred forty-four".