79070400 has 378 divisors, whose sum is σ = 314251340. Its totient is φ = 18800640.

The previous prime is 79070399. The next prime is 79070437. The reversal of 79070400 is 407097.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4161591 + ... + 4161609.

Almost surely, 2^79070400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79070400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157125670).

79070400 is an abundant number, since it is smaller than the sum of its proper divisors (235180940).

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

79070400 is a wasteful number, since it uses less digits than its factorization.

79070400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 79070400 is about 8892.1538448230. The cubic root of 79070400 is about 429.2114627364.

Adding to 79070400 its reverse (407097), we get a palindrome (79477497).

The spelling of 79070400 in words is "seventy-nine million, seventy thousand, four hundred".