79481430 has 144 divisors (see below), whose sum is σ = 244885680. Its totient is φ = 17829504.

The previous prime is 79481429. The next prime is 79481461. The reversal of 79481430 is 3418497.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 295336 + ... + 295604.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595).

Almost surely, 2^79481430 is an apocalyptic number.

79481430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79481430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122442840).

79481430 is an abundant number, since it is smaller than the sum of its proper divisors (165404250).

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

79481430 is a wasteful number, since it uses less digits than its factorization.

79481430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 79481430 is about 8915.2358353551. The cubic root of 79481430 is about 429.9538980680.

The spelling of 79481430 in words is "seventy-nine million, four hundred eighty-one thousand, four hundred thirty".