3746778141 has 16 divisors (see below), whose sum is σ = 5158737920. Its totient is φ = 2416394160.

The previous prime is 3746778137. The next prime is 3746778143. The reversal of 3746778141 is 1418776473.

It is not a de Polignac number, because 3746778141 - 2² = 3746778137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746778143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333270 + ... + 344328.

It is an arithmetic number, because the mean of its divisors is an integer number (322421120).

Almost surely, 2^3746778141 is an apocalyptic number.

3746778141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3746778141 is a deficient number, since it is larger than the sum of its proper divisors (1411959779).

3746778141 is a wasteful number, since it uses less digits than its factorization.

3746778141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14736.

The product of its digits is 790272, while the sum is 48.

The square root of 3746778141 is about 61210.9315482129. The cubic root of 3746778141 is about 1553.1711892691.

The spelling of 3746778141 in words is "three billion, seven hundred forty-six million, seven hundred seventy-eight thousand, one hundred forty-one".