374778433 has 4 divisors (see below), whose sum is σ = 377514180. Its totient is φ = 372042688.

The previous prime is 374778431. The next prime is 374778457. The reversal of 374778433 is 334877473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334877473 = 7 ⋅47839639.

It can be written as a sum of positive squares in 2 ways, for example, as 303003649 + 71774784 = 17407^2 + 8472^2 .

It is a cyclic number.

It is not a de Polignac number, because 374778433 - 2¹ = 374778431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374778431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367668 + ... + 1367941.

It is an arithmetic number, because the mean of its divisors is an integer number (94378545).

Almost surely, 2^374778433 is an apocalyptic number.

It is an amenable number.

374778433 is a deficient number, since it is larger than the sum of its proper divisors (2735747).

374778433 is a wasteful number, since it uses less digits than its factorization.

374778433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735746.

The product of its digits is 1185408, while the sum is 46.

The square root of 374778433 is about 19359.1950504147. The cubic root of 374778433 is about 720.9827327683.

The spelling of 374778433 in words is "three hundred seventy-four million, seven hundred seventy-eight thousand, four hundred thirty-three".