79140480 has 128 divisors (see below), whose sum is σ = 257921280. Its totient is φ = 20631552.

The previous prime is 79140463. The next prime is 79140497. The reversal of 79140480 is 8404197.

It is an interprime number because it is at equal distance from previous prime (79140463) and next prime (79140497).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89802 + ... + 90678.

It is an arithmetic number, because the mean of its divisors is an integer number (2015010).

Almost surely, 2^79140480 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 79140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128960640).

79140480 is an abundant number, since it is smaller than the sum of its proper divisors (178780800).

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

79140480 is a wasteful number, since it uses less digits than its factorization.

79140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 79140480 is about 8896.0935246882. The cubic root of 79140480 is about 429.3382284933.

The spelling of 79140480 in words is "seventy-nine million, one hundred forty thousand, four hundred eighty".