374720086818 has 256 divisors, whose sum is σ = 1074441646080. Its totient is φ = 93971404800.

The previous prime is 374720086777. The next prime is 374720086831. The reversal of 374720086818 is 818680027473.

It is a happy number.

374720086818 is a `hidden beast` number, since 374 + 7 + 200 + 8 + 68 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20144530 + ... + 20163122.

It is an arithmetic number, because the mean of its divisors is an integer number (4197037680).

Almost surely, 2^374720086818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 374720086818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537220823040).

374720086818 is an abundant number, since it is smaller than the sum of its proper divisors (699721559262).

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

374720086818 is a wasteful number, since it uses less digits than its factorization.

374720086818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18790 (or 18784 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 374720086818 in words is "three hundred seventy-four billion, seven hundred twenty million, eighty-six thousand, eight hundred eighteen".