79941400 has 192 divisors, whose sum is σ = 241056000. Its totient is φ = 23923200.

The previous prime is 79941391. The next prime is 79941413. The reversal of 79941400 is 414997.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446511 + ... + 446689.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^79941400 is an apocalyptic number.

79941400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79941400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120528000).

79941400 is an abundant number, since it is smaller than the sum of its proper divisors (161114600).

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

79941400 is a wasteful number, since it uses less digits than its factorization.

79941400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 79941400 is about 8940.9954703042. The cubic root of 79941400 is about 430.7817040802.

The spelling of 79941400 in words is "seventy-nine million, nine hundred forty-one thousand, four hundred".