3777001 has 4 divisors (see below), whose sum is σ = 3802500. Its totient is φ = 3751504.

The previous prime is 3776999. The next prime is 3777013. The reversal of 3777001 is 1007773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1007773 = 13 ⋅77521.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 2893401 = 940^2 + 1701^2 .

It is a cyclic number.

It is not a de Polignac number, because 3777001 - 2¹ = 3776999 is a prime.

It is a Duffinian number.

3777001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3777031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12526 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (950625).

Almost surely, 2^3777001 is an apocalyptic number.

It is an amenable number.

3777001 is a deficient number, since it is larger than the sum of its proper divisors (25499).

3777001 is a wasteful number, since it uses less digits than its factorization.

3777001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25498.

The product of its (nonzero) digits is 1029, while the sum is 25.

The square root of 3777001 is about 1943.4507969074. The cubic root of 3777001 is about 155.7336156219.

The spelling of 3777001 in words is "three million, seven hundred seventy-seven thousand, one".