761620 has 24 divisors (see below), whose sum is σ = 1618344. Its totient is φ = 301056.

The previous prime is 761611. The next prime is 761623. The reversal of 761620 is 26167.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 749956 = 108^2 + 866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 761591 and 761600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092 + ... + 2428.

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

2⁷⁶¹⁶²⁰ is an apocalyptic number.

It is an amenable number.

761620 is an abundant number, since it is smaller than the sum of its proper divisors (856724).

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

761620 is a wasteful number, since it uses less digits than its factorization.

761620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 761620 is about 872.7084278268. The cubic root of 761620 is about 91.3228479388.

Adding to 761620 its reverse (26167), we get a palindrome (787787).

The spelling of 761620 in words is "seven hundred sixty-one thousand, six hundred twenty".