74920517806013 has 8 divisors (see below), whose sum is σ = 81738790501536. Its totient is φ = 68103464532400.

The previous prime is 74920517806003. The next prime is 74920517806037. The reversal of 74920517806013 is 31060871502947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74920517806013 - 2¹² = 74920517801917 is a prime.

It is a super-2 number, since 2×74920517806013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74920517806003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304727006 + ... + 304972767.

It is an arithmetic number, because the mean of its divisors is an integer number (10217348812692).

It is a 1-persistent number, because it is pandigital, but 2⋅74920517806013 = 149841035612026 is not.

Almost surely, 2^{74920517806013} is an apocalyptic number.

It is an amenable number.

74920517806013 is a deficient number, since it is larger than the sum of its proper divisors (6818272695523).

74920517806013 is a wasteful number, since it uses less digits than its factorization.

74920517806013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609710955.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 74920517806013 in words is "seventy-four trillion, nine hundred twenty billion, five hundred seventeen million, eight hundred six thousand, thirteen".