749620 has 24 divisors (see below), whose sum is σ = 1618344. Its totient is φ = 291456.

The previous prime is 749587. The next prime is 749641. The reversal of 749620 is 26947.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 725904 = 154^2 + 852^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (67431).

2⁷⁴⁹⁶²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809172).

749620 is an abundant number, since it is smaller than the sum of its proper divisors (868724).

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

749620 is a wasteful number, since it uses less digits than its factorization.

749620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 749620 is about 865.8059828853. The cubic root of 749620 is about 90.8406824755.

It can be divided in two parts, 749 and 620, that added together give a square (1369 = 37²).

The spelling of 749620 in words is "seven hundred forty-nine thousand, six hundred twenty".