79378452 has 72 divisors (see below), whose sum is σ = 209445600. Its totient is φ = 25316928.

The previous prime is 79378433. The next prime is 79378459. The reversal of 79378452 is 25487397.

79378452 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (423360) is a multiple of the sum of its prime divisors (720).

79378452 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 79378398 and 79378407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79378459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144843 + ... + 145389.

Almost surely, 2^79378452 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 79378452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104722800).

79378452 is an abundant number, since it is smaller than the sum of its proper divisors (130067148).

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

79378452 is a wasteful number, since it uses less digits than its factorization.

79378452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 720 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 79378452 is about 8909.4585694081. The cubic root of 79378452 is about 429.7681317078.

The spelling of 79378452 in words is "seventy-nine million, three hundred seventy-eight thousand, four hundred fifty-two".