80719470 has 192 divisors, whose sum is σ = 245073600. Its totient is φ = 18869760.

The previous prime is 80719469. The next prime is 80719481. The reversal of 80719470 is 7491708.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1323240 + ... + 1323300.

It is an arithmetic number, because the mean of its divisors is an integer number (1276425).

Almost surely, 2^80719470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80719470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122536800).

80719470 is an abundant number, since it is smaller than the sum of its proper divisors (164354130).

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

80719470 is a wasteful number, since it uses less digits than its factorization.

80719470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 80719470 is about 8984.4014825697. The cubic root of 80719470 is about 432.1747942350.

The spelling of 80719470 in words is "eighty million, seven hundred nineteen thousand, four hundred seventy".