4572739 has 4 divisors (see below), whose sum is σ = 4577080. Its totient is φ = 4568400.

The previous prime is 4572727. The next prime is 4572751. The reversal of 4572739 is 9372754.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9372754 = 2 ⋅4686377.

It is an interprime number because it is at equal distance from previous prime (4572727) and next prime (4572751).

It is a cyclic number.

It is not a de Polignac number, because 4572739 - 2⁵ = 4572707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4572698 and 4572707.

It is not an unprimeable number, because it can be changed into a prime (4572709) 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, 532 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (1144270).

Almost surely, 2^4572739 is an apocalyptic number.

4572739 is a deficient number, since it is larger than the sum of its proper divisors (4341).

4572739 is a wasteful number, since it uses less digits than its factorization.

4572739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its digits is 52920, while the sum is 37.

The square root of 4572739 is about 2138.3963617627. The cubic root of 4572739 is about 165.9811634890.

The spelling of 4572739 in words is "four million, five hundred seventy-two thousand, seven hundred thirty-nine".