742274 has 8 divisors (see below), whose sum is σ = 1199100. Its totient is φ = 342576.

The previous prime is 742253. The next prime is 742277. The reversal of 742274 is 472247.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 94249 = 805^2 + 307^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 28549 = 742274 / (7 + 4 + 2 + 2 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (742277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14249 + ... + 14300.

2⁷⁴²²⁷⁴ is an apocalyptic number.

742274 is a deficient number, since it is larger than the sum of its proper divisors (456826).

742274 is a wasteful number, since it uses less digits than its factorization.

742274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564.

The product of its digits is 3136, while the sum is 26.

The square root of 742274 is about 861.5532484995. The cubic root of 742274 is about 90.5429727848.

The spelling of 742274 in words is "seven hundred forty-two thousand, two hundred seventy-four", and thus it is an iban number.