3721779974 has 16 divisors (see below), whose sum is σ = 6107648400. Its totient is φ = 1686867360.

The previous prime is 3721779973. The next prime is 3721779977. The reversal of 3721779974 is 4799771273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721779973) 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, 234689 + ... + 250044.

It is an arithmetic number, because the mean of its divisors is an integer number (381728025).

Almost surely, 2^3721779974 is an apocalyptic number.

3721779974 is a deficient number, since it is larger than the sum of its proper divisors (2385868426).

3721779974 is a wasteful number, since it uses less digits than its factorization.

3721779974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485095.

The product of its digits is 4667544, while the sum is 56.

The square root of 3721779974 is about 61006.3928945156. The cubic root of 3721779974 is about 1549.7092724238.

The spelling of 3721779974 in words is "three billion, seven hundred twenty-one million, seven hundred seventy-nine thousand, nine hundred seventy-four".