1371472621722 has 240 divisors, whose sum is σ = 3609060803712. Its totient is φ = 390313365120.

The previous prime is 1371472621693. The next prime is 1371472621723. The reversal of 1371472621722 is 2271262741731.

1371472621722 is a `hidden beast` number, since 1 + 3 + 7 + 1 + 472 + 6 + 2 + 172 + 2 = 666.

It is a super-2 number, since 2×1371472621722² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1371472621723) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 316223938 + ... + 316228274.

Almost surely, 2^{1371472621722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371472621722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804530401856).

1371472621722 is an abundant number, since it is smaller than the sum of its proper divisors (2237588181990).

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

1371472621722 is an frugal number, since it uses more digits than its factorization.

1371472621722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653 (or 4620 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The spelling of 1371472621722 in words is "one trillion, three hundred seventy-one billion, four hundred seventy-two million, six hundred twenty-one thousand, seven hundred twenty-two".