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70970 = 2547151
BaseRepresentation
bin10001010100111010
310121100112
4101110322
54232340
61304322
7413624
oct212472
9117315
1070970
1149359
12350a2
13263c3
141bc14
1516065
hex1153a

70970 has 16 divisors (see below), whose sum is σ = 131328. Its totient is φ = 27600.

The previous prime is 70969. The next prime is 70979. The reversal of 70970 is 7907.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70979) 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, 395 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (8208).

270970 is an apocalyptic number.

70970 is a deficient number, since it is larger than the sum of its proper divisors (60358).

70970 is a wasteful number, since it uses less digits than its factorization.

70970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 70970 is about 266.4019519448. The cubic root of 70970 is about 41.4023445349.

The spelling of 70970 in words is "seventy thousand, nine hundred seventy".

Divisors: 1 2 5 10 47 94 151 235 302 470 755 1510 7097 14194 35485 70970