620734 has 8 divisors (see below), whose sum is σ = 937800. Its totient is φ = 308136.

The previous prime is 620731. The next prime is 620743. The reversal of 620734 is 437026.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620731) 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, 744 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (117225).

2⁶²⁰⁷³⁴ is an apocalyptic number.

620734 is a deficient number, since it is larger than the sum of its proper divisors (317066).

620734 is a wasteful number, since it uses less digits than its factorization.

620734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 620734 is about 787.8667400011. The cubic root of 620734 is about 85.3038261967.

It can be divided in two parts, 6207 and 34, that added together give a square (6241 = 79²).

The spelling of 620734 in words is "six hundred twenty thousand, seven hundred thirty-four".