74531415090687 has 8 divisors (see below), whose sum is σ = 99387211854336. Its totient is φ = 49681614193752.

The previous prime is 74531415090599. The next prime is 74531415090701. The reversal of 74531415090687 is 78609051413547.

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

It is not a de Polignac number, because 74531415090687 - 2²⁶ = 74531347981823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74531415090687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74531415090487) 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, 1498937673 + ... + 1498987394.

It is an arithmetic number, because the mean of its divisors is an integer number (12423401481792).

Almost surely, 2^{74531415090687} is an apocalyptic number.

74531415090687 is a deficient number, since it is larger than the sum of its proper divisors (24855796763649).

74531415090687 is a wasteful number, since it uses less digits than its factorization.

74531415090687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997933357.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 74531415090687 in words is "seventy-four trillion, five hundred thirty-one billion, four hundred fifteen million, ninety thousand, six hundred eighty-seven".