720874 has 32 divisors (see below), whose sum is σ = 1400832. Its totient is φ = 270000.

The previous prime is 720869. The next prime is 720877. The reversal of 720874 is 478027.

720874 is nontrivially palindromic in base 8.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (720877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4699 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2⁷²⁰⁸⁷⁴ is an apocalyptic number.

720874 is a deficient number, since it is larger than the sum of its proper divisors (679958).

720874 is a wasteful number, since it uses less digits than its factorization.

720874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 720874 is about 849.0429906666. The cubic root of 720874 is about 89.6643464495.

The spelling of 720874 in words is "seven hundred twenty thousand, eight hundred seventy-four".