742810 has 16 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 291856.

The previous prime is 742801. The next prime is 742817. The reversal of 742810 is 18247.

It is a super-2 number, since 2×742810² = 1103533392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2⁷⁴²⁸¹⁰ is an apocalyptic number.

742810 is a deficient number, since it is larger than the sum of its proper divisors (617990).

742810 is a wasteful number, since it uses less digits than its factorization.

742810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 742810 is about 861.8642584537. The cubic root of 742810 is about 90.5647613950.

The spelling of 742810 in words is "seven hundred forty-two thousand, eight hundred ten".