3624729 has 4 divisors (see below), whose sum is σ = 4832976. Its totient is φ = 2416484.

The previous prime is 3624727. The next prime is 3624773. The reversal of 3624729 is 9274263.

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 an emirpimes, since its reverse is a distinct semiprime: 9274263 = 3 ⋅3091421.

It is a cyclic number.

It is not a de Polignac number, because 3624729 - 2¹ = 3624727 is a prime.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3624729.

It is not an unprimeable number, because it can be changed into a prime (3624721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604119 + ... + 604124.

It is an arithmetic number, because the mean of its divisors is an integer number (1208244).

Almost surely, 2^3624729 is an apocalyptic number.

It is an amenable number.

3624729 is a deficient number, since it is larger than the sum of its proper divisors (1208247).

3624729 is a wasteful number, since it uses less digits than its factorization.

3624729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208246.

The product of its digits is 18144, while the sum is 33.

The square root of 3624729 is about 1903.8721070492. The cubic root of 3624729 is about 153.6120131528.

The spelling of 3624729 in words is "three million, six hundred twenty-four thousand, seven hundred twenty-nine".