742290 has 32 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 195264.

The previous prime is 742289. The next prime is 742307. The reversal of 742290 is 92247.

742290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 742290.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2⁷⁴²²⁹⁰ is an apocalyptic number.

742290 is an abundant number, since it is smaller than the sum of its proper divisors (1063470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742290 is a wasteful number, since it uses less digits than its factorization.

742290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 742290 is about 861.5625340044. The cubic root of 742290 is about 90.5436233429.

The spelling of 742290 in words is "seven hundred forty-two thousand, two hundred ninety".