3736221005 has 16 divisors (see below), whose sum is σ = 4918088448. Its totient is φ = 2702232000.

The previous prime is 3736220989. The next prime is 3736221011. The reversal of 3736221005 is 5001226373.

It is not a de Polignac number, because 3736221005 - 2⁴ = 3736220989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177701 + ... + 197610.

It is an arithmetic number, because the mean of its divisors is an integer number (307380528).

Almost surely, 2^3736221005 is an apocalyptic number.

It is an amenable number.

3736221005 is a deficient number, since it is larger than the sum of its proper divisors (1181867443).

3736221005 is a wasteful number, since it uses less digits than its factorization.

3736221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375508.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 3736221005 is about 61124.6350091352. The cubic root of 3736221005 is about 1551.7110490790.

Adding to 3736221005 its reverse (5001226373), we get a palindrome (8737447378).

The spelling of 3736221005 in words is "three billion, seven hundred thirty-six million, two hundred twenty-one thousand, five".