1874777346 has 128 divisors (see below), whose sum is σ = 4665427200. Its totient is φ = 554273280.

The previous prime is 1874777293. The next prime is 1874777363. The reversal of 1874777346 is 6437774781.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1874777292 and 1874777301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2311281 + ... + 2312091.

It is an arithmetic number, because the mean of its divisors is an integer number (36448650).

Almost surely, 2^1874777346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1874777346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332713600).

1874777346 is an abundant number, since it is smaller than the sum of its proper divisors (2790649854).

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

1874777346 is a wasteful number, since it uses less digits than its factorization.

1874777346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The square root of 1874777346 is about 43298.6991259553. The cubic root of 1874777346 is about 1233.0572252790.

The spelling of 1874777346 in words is "one billion, eight hundred seventy-four million, seven hundred seventy-seven thousand, three hundred forty-six".