74072520652406 has 8 divisors (see below), whose sum is σ = 111276872933664. Its totient is φ = 36980229674520.

The previous prime is 74072520652399. The next prime is 74072520652477. The reversal of 74072520652406 is 60425602527047.

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

It is a super-2 number, since 2×74072520652406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28015324190 + ... + 28015326833.

It is an arithmetic number, because the mean of its divisors is an integer number (13909609116708).

Almost surely, 2^{74072520652406} is an apocalyptic number.

74072520652406 is a deficient number, since it is larger than the sum of its proper divisors (37204352281258).

74072520652406 is a wasteful number, since it uses less digits than its factorization.

74072520652406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56030651686.

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 74072520652406 in words is "seventy-four trillion, seventy-two billion, five hundred twenty million, six hundred fifty-two thousand, four hundred six".