3780073 has 16 divisors (see below), whose sum is σ = 4386816. Its totient is φ = 3223440.

The previous prime is 3780067. The next prime is 3780079. The reversal of 3780073 is 3700873.

It is an interprime number because it is at equal distance from previous prime (3780067) and next prime (3780079).

It is not a de Polignac number, because 3780073 - 2⁵ = 3780041 is a prime.

It is a Duffinian number.

3780073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3780079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16840 + ... + 17062.

It is an arithmetic number, because the mean of its divisors is an integer number (274176).

Almost surely, 2^3780073 is an apocalyptic number.

It is an amenable number.

3780073 is a deficient number, since it is larger than the sum of its proper divisors (606743).

3780073 is a wasteful number, since it uses less digits than its factorization.

3780073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3780073 is about 1944.2409830060. The cubic root of 3780073 is about 155.7758258323.

It can be divided in two parts, 37800 and 73, that added together give a palindrome (37873).

The spelling of 3780073 in words is "three million, seven hundred eighty thousand, seventy-three".