74726712017 has 32 divisors (see below), whose sum is σ = 84996000000. Its totient is φ = 65314529280.

The previous prime is 74726711977. The next prime is 74726712023. The reversal of 74726712017 is 71021762747.

It is a cyclic number.

It is not a de Polignac number, because 74726712017 - 2¹² = 74726707921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74726712037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15826217 + ... + 15830937.

It is an arithmetic number, because the mean of its divisors is an integer number (2656125000).

Almost surely, 2^74726712017 is an apocalyptic number.

It is an amenable number.

74726712017 is a deficient number, since it is larger than the sum of its proper divisors (10269287983).

74726712017 is a wasteful number, since it uses less digits than its factorization.

74726712017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 74726712017 in words is "seventy-four billion, seven hundred twenty-six million, seven hundred twelve thousand, seventeen".