734621 has 8 divisors (see below), whose sum is σ = 789120. Its totient is φ = 681408.

The previous prime is 734567. The next prime is 734627. The reversal of 734621 is 126437.

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

It is a cyclic number.

It is not a de Polignac number, because 734621 - 2⁶ = 734557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 1616.

It is an arithmetic number, because the mean of its divisors is an integer number (98640).

2⁷³⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

734621 is a deficient number, since it is larger than the sum of its proper divisors (54499).

734621 is a wasteful number, since it uses less digits than its factorization.

734621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 1008, while the sum is 23.

The square root of 734621 is about 857.1003441838. The cubic root of 734621 is about 90.2307248784.

The spelling of 734621 in words is "seven hundred thirty-four thousand, six hundred twenty-one".