3746840091 has 8 divisors (see below), whose sum is σ = 4996400640. Its totient is φ = 2497586472.

The previous prime is 3746840059. The next prime is 3746840099. The reversal of 3746840091 is 1900486473.

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

It is not a de Polignac number, because 3746840091 - 2⁵ = 3746840059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3746840099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46551 + ... + 98288.

It is an arithmetic number, because the mean of its divisors is an integer number (624550080).

Almost surely, 2^3746840091 is an apocalyptic number.

3746840091 is a deficient number, since it is larger than the sum of its proper divisors (1249560549).

3746840091 is a wasteful number, since it uses less digits than its factorization.

3746840091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153465.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 3746840091 is about 61211.4375831837. The cubic root of 3746840091 is about 1553.1797493725.

The spelling of 3746840091 in words is "three billion, seven hundred forty-six million, eight hundred forty thousand, ninety-one".