3791346221572 has 48 divisors (see below), whose sum is σ = 8257729092480. Its totient is φ = 1483020709632.

The previous prime is 3791346221569. The next prime is 3791346221683. The reversal of 3791346221572 is 2751226431973.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58483258 + ... + 58548049.

It is an arithmetic number, because the mean of its divisors is an integer number (172036022760).

Almost surely, 2^{3791346221572} is an apocalyptic number.

It is an amenable number.

3791346221572 is an abundant number, since it is smaller than the sum of its proper divisors (4466382870908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3791346221572 is a wasteful number, since it uses less digits than its factorization.

3791346221572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117031420 (or 117031418 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The spelling of 3791346221572 in words is "three trillion, seven hundred ninety-one billion, three hundred forty-six million, two hundred twenty-one thousand, five hundred seventy-two".