74587740069 has 8 divisors (see below), whose sum is σ = 99486508000. Its totient is φ = 49707066096.

The previous prime is 74587740053. The next prime is 74587740113. The reversal of 74587740069 is 96004778547.

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

It is not a de Polignac number, because 74587740069 - 2⁴ = 74587740053 is a prime.

It is a super-2 number, since 2×74587740069² (a number of 23 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 (74587740049) 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, 4513867 + ... + 4530360.

It is an arithmetic number, because the mean of its divisors is an integer number (12435813500).

Almost surely, 2^74587740069 is an apocalyptic number.

It is an amenable number.

74587740069 is a deficient number, since it is larger than the sum of its proper divisors (24898767931).

74587740069 is a wasteful number, since it uses less digits than its factorization.

74587740069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046979.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 74587740069 in words is "seventy-four billion, five hundred eighty-seven million, seven hundred forty thousand, sixty-nine".