3742073 has 4 divisors (see below), whose sum is σ = 3871140. Its totient is φ = 3613008.

The previous prime is 3742061. The next prime is 3742087. The reversal of 3742073 is 3702473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3702473 = 19 ⋅194867.

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 1026169 = 1648^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 3742073 - 2⁶ = 3742009 is a prime.

It is a super-2 number, since 2×3742073² = 28006220674658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3742033) 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, 64490 + ... + 64547.

It is an arithmetic number, because the mean of its divisors is an integer number (967785).

Almost surely, 2^3742073 is an apocalyptic number.

It is an amenable number.

3742073 is a deficient number, since it is larger than the sum of its proper divisors (129067).

3742073 is a wasteful number, since it uses less digits than its factorization.

3742073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129066.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 3742073 is about 1934.4438477247. The cubic root of 3742073 is about 155.2520768174.

The spelling of 3742073 in words is "three million, seven hundred forty-two thousand, seventy-three".