3775020394 has 4 divisors (see below), whose sum is σ = 5662530594. Its totient is φ = 1887510196.

The previous prime is 3775020373. The next prime is 3775020407. The reversal of 3775020394 is 4930205773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4930205773 = 68141 ⋅72353.

It can be written as a sum of positive squares in only one way, i.e., 2619904225 + 1155116169 = 51185^2 + 33987^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943755097 + ... + 943755100.

Almost surely, 2^3775020394 is an apocalyptic number.

3775020394 is a deficient number, since it is larger than the sum of its proper divisors (1887510200).

3775020394 is a wasteful number, since it uses less digits than its factorization.

3775020394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887510199.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 3775020394 is about 61441.1946010167. The cubic root of 3775020394 is about 1557.0638935922.

The spelling of 3775020394 in words is "three billion, seven hundred seventy-five million, twenty thousand, three hundred ninety-four".