3702742 has 4 divisors (see below), whose sum is σ = 5554116. Its totient is φ = 1851370.

The previous prime is 3702697. The next prime is 3702757. The reversal of 3702742 is 2472073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2472073 = 599 ⋅4127.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925684 + ... + 925687.

It is an arithmetic number, because the mean of its divisors is an integer number (1388529).

Almost surely, 2^3702742 is an apocalyptic number.

3702742 is a deficient number, since it is larger than the sum of its proper divisors (1851374).

3702742 is a wasteful number, since it uses less digits than its factorization.

3702742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851373.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 3702742 is about 1924.2510231256. The cubic root of 3702742 is about 154.7062351283.

It can be divided in two parts, 3702 and 742, that added together give a palindrome (4444).

The spelling of 3702742 in words is "three million, seven hundred two thousand, seven hundred forty-two".