742344 has 16 divisors (see below), whose sum is σ = 1855920. Its totient is φ = 247440.

The previous prime is 742333. The next prime is 742351. The reversal of 742344 is 443247.

742344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×742344² = 1102149228672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 30931 = 742344 / (7 + 4 + 2 + 3 + 4 + 4).

It is an unprimeable number.

742344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15442 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (115995).

2⁷⁴²³⁴⁴ is an apocalyptic number.

It is an amenable number.

742344 is an abundant number, since it is smaller than the sum of its proper divisors (1113576).

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

742344 is a wasteful number, since it uses less digits than its factorization.

742344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30940 (or 30936 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 742344 is about 861.5938718445. The cubic root of 742344 is about 90.5458189076.

The spelling of 742344 in words is "seven hundred forty-two thousand, three hundred forty-four", and thus it is an iban number.