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704728080 = 243357127367
BaseRepresentation
bin101010000000010…
…100110000010000
31211010001220012000
4222000110300100
52420402244310
6153532434000
723315042550
oct5200246020
91733056160
10704728080
11331889701
12178018900
13b3006484
1469849160
1541d084c0
hex2a014c10

704728080 has 320 divisors, whose sum is σ = 2803630080. Its totient is φ = 159376896.

The previous prime is 704728061. The next prime is 704728091. The reversal of 704728080 is 80827407.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1920057 + ... + 1920423.

It is an arithmetic number, because the mean of its divisors is an integer number (8761344).

Almost surely, 2704728080 is an apocalyptic number.

704728080 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 704728080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401815040).

704728080 is an abundant number, since it is smaller than the sum of its proper divisors (2098902000).

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

704728080 is a wasteful number, since it uses less digits than its factorization.

704728080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 704728080 is about 26546.7150510190. The cubic root of 704728080 is about 889.8986039432.

The spelling of 704728080 in words is "seven hundred four million, seven hundred twenty-eight thousand, eighty".