79026738 has 64 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 21226752.

The previous prime is 79026737. The next prime is 79026751. The reversal of 79026738 is 83762097.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79026738.

It is not an unprimeable number, because it can be changed into a prime (79026737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132970 + ... + 133562.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^79026738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79026738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95800320).

79026738 is an abundant number, since it is smaller than the sum of its proper divisors (112573902).

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

79026738 is a wasteful number, since it uses less digits than its factorization.

79026738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 79026738 is about 8889.6984200815. The cubic root of 79026738 is about 429.1324458884.

The spelling of 79026738 in words is "seventy-nine million, twenty-six thousand, seven hundred thirty-eight".