79025761 has 4 divisors (see below), whose sum is σ = 79084692. Its totient is φ = 78966832.

The previous prime is 79025719. The next prime is 79025797. The reversal of 79025761 is 16752097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50339025 + 28686736 = 7095^2 + 5356^2 .

It is a cyclic number.

It is not a de Polignac number, because 79025761 - 2¹³ = 79017569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79025761.

It is not an unprimeable number, because it can be changed into a prime (79025461) 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, 27406 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (19771173).

Almost surely, 2^79025761 is an apocalyptic number.

It is an amenable number.

79025761 is a deficient number, since it is larger than the sum of its proper divisors (58931).

79025761 is a wasteful number, since it uses less digits than its factorization.

79025761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58930.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 79025761 is about 8889.6434686662. The cubic root of 79025761 is about 429.1306774400.

The spelling of 79025761 in words is "seventy-nine million, twenty-five thousand, seven hundred sixty-one".