3742517 has 4 divisors (see below), whose sum is σ = 3746400. Its totient is φ = 3738636.

The previous prime is 3742493. The next prime is 3742523. The reversal of 3742517 is 7152473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7152473 = 29 ⋅246637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3742517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3742517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742577) 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, 734 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (936600).

Almost surely, 2^3742517 is an apocalyptic number.

It is an amenable number.

3742517 is a deficient number, since it is larger than the sum of its proper divisors (3883).

3742517 is a wasteful number, since it uses less digits than its factorization.

3742517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

The product of its digits is 5880, while the sum is 29.

The square root of 3742517 is about 1934.5586059874. The cubic root of 3742517 is about 155.2582168363.

The spelling of 3742517 in words is "three million, seven hundred forty-two thousand, five hundred seventeen".