74337901887 has 8 divisors (see below), whose sum is σ = 99136608304. Its totient is φ = 49548898368.

The previous prime is 74337901861. The next prime is 74337901973. The reversal of 74337901887 is 78810973347.

It is a happy number.

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

It is not a de Polignac number, because 74337901887 - 2¹⁰ = 74337900863 is a prime.

It is a super-2 number, since 2×74337901887² (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 (74337901817) 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, 2407828 + ... + 2438505.

It is an arithmetic number, because the mean of its divisors is an integer number (12392076038).

Almost surely, 2^74337901887 is an apocalyptic number.

74337901887 is a deficient number, since it is larger than the sum of its proper divisors (24798706417).

74337901887 is a wasteful number, since it uses less digits than its factorization.

74337901887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851449.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 74337901887 in words is "seventy-four billion, three hundred thirty-seven million, nine hundred one thousand, eight hundred eighty-seven".