961730 has 32 divisors (see below), whose sum is σ = 2160000. Its totient is φ = 299520.

The previous prime is 961729. The next prime is 961733. The reversal of 961730 is 37169.

It is a happy number.

961730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 961730.

It is not an unprimeable number, because it can be changed into a prime (961733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (67500).

2⁹⁶¹⁷³⁰ is an apocalyptic number.

961730 is an abundant number, since it is smaller than the sum of its proper divisors (1198270).

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

961730 is a wasteful number, since it uses less digits than its factorization.

961730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 961730 is about 980.6783366629. The cubic root of 961730 is about 98.7077050088.

Adding to 961730 its reverse (37169), we get a palindrome (998899).

The spelling of 961730 in words is "nine hundred sixty-one thousand, seven hundred thirty".