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70026672 = 2431785817
BaseRepresentation
bin1000010110010…
…00010110110000
311212202201112110
410023020112300
5120411323142
610540525320
71510134252
oct413102660
9155681473
1070026672
113658a091
121b550840
131167aa01
14942bcd2
15623399c
hex42c85b0

70026672 has 40 divisors (see below), whose sum is σ = 191545776. Its totient is φ = 21968896.

The previous prime is 70026667. The next prime is 70026679. The reversal of 70026672 is 27662007.

It is not an unprimeable number, because it can be changed into a prime (70026679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42093 + ... + 43724.

Almost surely, 270026672 is an apocalyptic number.

It is an amenable number.

70026672 is an abundant number, since it is smaller than the sum of its proper divisors (121519104).

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

70026672 is a wasteful number, since it uses less digits than its factorization.

70026672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85845 (or 85839 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 70026672 is about 8368.1940704073. The cubic root of 70026672 is about 412.1808675824.

Adding to 70026672 its reverse (27662007), we get a palindrome (97688679).

It can be divided in two parts, 700 and 26672, that added together give a palindrome (27372).

The spelling of 70026672 in words is "seventy million, twenty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 85817 171634 257451 343268 514902 686536 1029804 1373072 1458889 2059608 2917778 4119216 4376667 5835556 8753334 11671112 17506668 23342224 35013336 70026672