72413620045634 has 32 divisors (see below), whose sum is σ = 124564396091520. Its totient is φ = 30927754533888.

The previous prime is 72413620045633. The next prime is 72413620045661. The reversal of 72413620045634 is 43654002631427.

72413620045634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×72413620045634² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72413620045631) 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 15 ways as a sum of consecutive naturals, for example, 22422884 + ... + 25448240.

It is an arithmetic number, because the mean of its divisors is an integer number (3892637377860).

Almost surely, 2^{72413620045634} is an apocalyptic number.

72413620045634 is a deficient number, since it is larger than the sum of its proper divisors (52150776045886).

72413620045634 is a wasteful number, since it uses less digits than its factorization.

72413620045634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031242.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 72413620045634 in words is "seventy-two trillion, four hundred thirteen billion, six hundred twenty million, forty-five thousand, six hundred thirty-four".