1890730147074 has 16 divisors (see below), whose sum is σ = 3786204921408. Its totient is φ = 629452611152.

The previous prime is 1890730147073. The next prime is 1890730147093. The reversal of 1890730147074 is 4707410370981.

It is a super-2 number, since 2×1890730147074² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1890730147073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197687622 + ... + 197697185.

It is an arithmetic number, because the mean of its divisors is an integer number (236637807588).

Almost surely, 2^{1890730147074} is an apocalyptic number.

1890730147074 is an abundant number, since it is smaller than the sum of its proper divisors (1895474774334).

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

1890730147074 is a wasteful number, since it uses less digits than its factorization.

1890730147074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395385609.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 1890730147074 in words is "one trillion, eight hundred ninety billion, seven hundred thirty million, one hundred forty-seven thousand, seventy-four".