79303420 has 24 divisors (see below), whose sum is σ = 190328544. Its totient is φ = 27189696.

The previous prime is 79303403. The next prime is 79303421. The reversal of 79303420 is 2430397.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79303421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283087 + ... + 283366.

It is an arithmetic number, because the mean of its divisors is an integer number (7930356).

Almost surely, 2^79303420 is an apocalyptic number.

79303420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79303420 is an abundant number, since it is smaller than the sum of its proper divisors (111025124).

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

79303420 is a wasteful number, since it uses less digits than its factorization.

79303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566469 (or 566467 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 79303420 is about 8905.2467680576. The cubic root of 79303420 is about 429.6326771136.

The spelling of 79303420 in words is "seventy-nine million, three hundred three thousand, four hundred twenty".