4720919 has 8 divisors (see below), whose sum is σ = 5420928. Its totient is φ = 4027320.

The previous prime is 4720913. The next prime is 4720921. The reversal of 4720919 is 9190274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4720919 - 2⁸ = 4720663 is a prime.

It is a super-2 number, since 2×4720919² = 44574152409122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (677616).

Almost surely, 2^4720919 is an apocalyptic number.

4720919 is a deficient number, since it is larger than the sum of its proper divisors (700009).

4720919 is a wasteful number, since it uses less digits than its factorization.

4720919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4720919 is about 2172.7675899645. The cubic root of 4720919 is about 167.7550166077.

The spelling of 4720919 in words is "four million, seven hundred twenty thousand, nine hundred nineteen".