3780137 has 4 divisors (see below), whose sum is σ = 4002516. Its totient is φ = 3557760.

The previous prime is 3780113. The next prime is 3780143. The reversal of 3780137 is 7310873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7310873 = 53 ⋅137941.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 1142761 = 1624^2 + 1069^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3780137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780037) 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, 111164 + ... + 111197.

It is an arithmetic number, because the mean of its divisors is an integer number (1000629).

Almost surely, 2^3780137 is an apocalyptic number.

It is an amenable number.

3780137 is a deficient number, since it is larger than the sum of its proper divisors (222379).

3780137 is a wasteful number, since it uses less digits than its factorization.

3780137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222378.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 3780137 is about 1944.2574418014. The cubic root of 3780137 is about 155.7767049685.

The spelling of 3780137 in words is "three million, seven hundred eighty thousand, one hundred thirty-seven".