371072172242 has 6 divisors (see below), whose sum is σ = 556609550583. Its totient is φ = 185535655382.

The previous prime is 371072172239. The next prime is 371072172257. The reversal of 371072172242 is 242271270173.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 185536086121 + 185536086121 = 430739^2 + 430739^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=430739.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 371072172196 and 371072172205.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 646109 + ... + 1076847.

Almost surely, 2^371072172242 is an apocalyptic number.

371072172242 is a deficient number, since it is larger than the sum of its proper divisors (185537378341).

371072172242 is an frugal number, since it uses more digits than its factorization.

371072172242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861480 (or 430741 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 371072172242 in words is "three hundred seventy-one billion, seventy-two million, one hundred seventy-two thousand, two hundred forty-two".