4730991 has 4 divisors (see below), whose sum is σ = 6307992. Its totient is φ = 3153992.

The previous prime is 4730987. The next prime is 4730993. The reversal of 4730991 is 1990374.

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 4730991 - 2² = 4730987 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4730993) 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, 788496 + ... + 788501.

It is an arithmetic number, because the mean of its divisors is an integer number (1576998).

Almost surely, 2^4730991 is an apocalyptic number.

4730991 is a deficient number, since it is larger than the sum of its proper divisors (1577001).

4730991 is a wasteful number, since it uses less digits than its factorization.

4730991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577000.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4730991 is about 2175.0841363037. The cubic root of 4730991 is about 167.8742326863.

The spelling of 4730991 in words is "four million, seven hundred thirty thousand, nine hundred ninety-one".