3542739 has 4 divisors (see below), whose sum is σ = 4723656. Its totient is φ = 2361824.

The previous prime is 3542729. The next prime is 3542743. The reversal of 3542739 is 9372453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3542739 - 2⁴ = 3542723 is a prime.

It is a super-3 number, since 3×3542739³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 5³ + 4⁹ + 2¹⁵ + 7 + 3¹³ + 9⁵ .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3542729) 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, 590454 + ... + 590459.

It is an arithmetic number, because the mean of its divisors is an integer number (1180914).

Almost surely, 2^3542739 is an apocalyptic number.

3542739 is a deficient number, since it is larger than the sum of its proper divisors (1180917).

3542739 is a wasteful number, since it uses less digits than its factorization.

3542739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180916.

The product of its digits is 22680, while the sum is 33.

The square root of 3542739 is about 1882.2165125192. The cubic root of 3542739 is about 152.4449537063. Note that the first 3 decimals are identical.

The spelling of 3542739 in words is "three million, five hundred forty-two thousand, seven hundred thirty-nine".