4290729 has 4 divisors (see below), whose sum is σ = 5720976. Its totient is φ = 2860484.

The previous prime is 4290701. The next prime is 4290757. The reversal of 4290729 is 9270924.

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.

It is an interprime number because it is at equal distance from previous prime (4290701) and next prime (4290757).

It is a cyclic number.

It is not a de Polignac number, because 4290729 - 2⁵ = 4290697 is a prime.

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 4290729.

It is not an unprimeable number, because it can be changed into a prime (4290799) 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, 715119 + ... + 715124.

It is an arithmetic number, because the mean of its divisors is an integer number (1430244).

Almost surely, 2^4290729 is an apocalyptic number.

It is an amenable number.

4290729 is a deficient number, since it is larger than the sum of its proper divisors (1430247).

4290729 is a wasteful number, since it uses less digits than its factorization.

4290729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430246.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 4290729 is about 2071.4074925036. The cubic root of 4290729 is about 162.4963817735.

The spelling of 4290729 in words is "four million, two hundred ninety thousand, seven hundred twenty-nine".