79650 has 48 divisors (see below), whose sum is σ = 223200. Its totient is φ = 20880.

The previous prime is 79633. The next prime is 79657. The reversal of 79650 is 5697.

79650 = T₆₇ + T₆₈ + ... + T₉₁.

79650 is a `hidden beast` number, since 7 + 9 + 650 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (79657) by changing a digit.

79650 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (4650).

2⁷⁹⁶⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111600).

79650 is an abundant number, since it is smaller than the sum of its proper divisors (143550).

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

79650 is a wasteful number, since it uses less digits than its factorization.

79650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 79650 is about 282.2233158334. The cubic root of 79650 is about 43.0257642605.

It can be divided in two parts, 79 and 650, that added together give a 6-th power (729 = 3⁶).

The spelling of 79650 in words is "seventy-nine thousand, six hundred fifty".