734427 has 10 divisors (see below), whose sum is σ = 1097228. Its totient is φ = 489564.

The previous prime is 734423. The next prime is 734429. The reversal of 734427 is 724437.

It is not a de Polignac number, because 734427 - 2² = 734423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 734427.

It is not an unprimeable number, because it can be changed into a prime (734423) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4453 + ... + 4614.

2⁷³⁴⁴²⁷ is an apocalyptic number.

734427 is a deficient number, since it is larger than the sum of its proper divisors (362801).

734427 is an equidigital number, since it uses as much as digits as its factorization.

734427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079 (or 9070 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 734427 is about 856.9871644313. The cubic root of 734427 is about 90.2227814165. Note that the first 3 decimals are identical.

The spelling of 734427 in words is "seven hundred thirty-four thousand, four hundred twenty-seven".