72345403316054 has 48 divisors (see below), whose sum is σ = 119638186862544. Its totient is φ = 32785734928320.

The previous prime is 72345403315987. The next prime is 72345403316057. The reversal of 72345403316054 is 45061330454327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72345403316057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109478324 + ... + 110137160.

It is an arithmetic number, because the mean of its divisors is an integer number (2492462226303).

Almost surely, 2^{72345403316054} is an apocalyptic number.

72345403316054 is a deficient number, since it is larger than the sum of its proper divisors (47292783546490).

72345403316054 is a wasteful number, since it uses less digits than its factorization.

72345403316054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660221 (or 660210 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 72345403316054 in words is "seventy-two trillion, three hundred forty-five billion, four hundred three million, three hundred sixteen thousand, fifty-four".