74917528006 has 4 divisors (see below), whose sum is σ = 112376292012. Its totient is φ = 37458764002.

The previous prime is 74917527989. The next prime is 74917528019. The reversal of 74917528006 is 60082571947.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×74917528006² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18729382000 + ... + 18729382003.

It is an arithmetic number, because the mean of its divisors is an integer number (28094073003).

Almost surely, 2^74917528006 is an apocalyptic number.

74917528006 is a deficient number, since it is larger than the sum of its proper divisors (37458764006).

74917528006 is a wasteful number, since it uses less digits than its factorization.

74917528006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37458764005.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 74917528006 in words is "seventy-four billion, nine hundred seventeen million, five hundred twenty-eight thousand, six".