79703480 has 128 divisors (see below), whose sum is σ = 207360000. Its totient is φ = 27371520.

The previous prime is 79703479. The next prime is 79703483. The reversal of 79703480 is 8430797.

It is a super-2 number, since 2×79703480² = 12705289448220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79703483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400421 + ... + 400619.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^79703480 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 79703480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680000).

79703480 is an abundant number, since it is smaller than the sum of its proper divisors (127656520).

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

79703480 is a wasteful number, since it uses less digits than its factorization.

79703480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 79703480 is about 8927.6805498405. The cubic root of 79703480 is about 430.3539181050.

The spelling of 79703480 in words is "seventy-nine million, seven hundred three thousand, four hundred eighty".