742190 has 8 divisors (see below), whose sum is σ = 1335960. Its totient is φ = 296872.

The previous prime is 742153. The next prime is 742193. The reversal of 742190 is 91247.

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

It is a super-2 number, since 2×742190² = 1101691992200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742193) 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 3 ways as a sum of consecutive naturals, for example, 37100 + ... + 37119.

It is an arithmetic number, because the mean of its divisors is an integer number (166995).

2⁷⁴²¹⁹⁰ is an apocalyptic number.

742190 is a deficient number, since it is larger than the sum of its proper divisors (593770).

742190 is a wasteful number, since it uses less digits than its factorization.

742190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74226.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 742190 is about 861.5044979569. The cubic root of 742190 is about 90.5395572012.

The spelling of 742190 in words is "seven hundred forty-two thousand, one hundred ninety".