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70672340 = 22521116747
BaseRepresentation
bin1000011011001…
…01111111010100
311220222112020002
410031211333110
5121043003330
611002430432
71515463544
oct415457724
9156875202
1070672340
11369901a2
121b802418
131184586b
149559324
15630ee45
hex4365fd4

70672340 has 24 divisors (see below), whose sum is σ = 149124192. Its totient is φ = 28133280.

The previous prime is 70672289. The next prime is 70672351. The reversal of 70672340 is 4327607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (6213508).

Almost surely, 270672340 is an apocalyptic number.

It is an amenable number.

70672340 is an abundant number, since it is smaller than the sum of its proper divisors (78451852).

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

70672340 is a wasteful number, since it uses less digits than its factorization.

70672340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967 (or 16965 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 70672340 is about 8406.6842452896. The cubic root of 70672340 is about 413.4438064634.

Adding to 70672340 its reverse (4327607), we get a palindrome (74999947).

The spelling of 70672340 in words is "seventy million, six hundred seventy-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 16747 33494 66988 83735 167470 334940 3533617 7067234 14134468 17668085 35336170 70672340