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70704437 = 2292831091
BaseRepresentation
bin1000011011011…
…01110100110101
311221001011020212
410031231310311
5121100020222
611003235205
71515656246
oct415556465
9157034225
1070704437
1136a02321
121b818b05
131185735b
149566ccd
1563196e2
hex436dd35

70704437 has 8 divisors (see below), whose sum is σ = 71329440. Its totient is φ = 70082640.

The previous prime is 70704419. The next prime is 70704443. The reversal of 70704437 is 73440707.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70704437 - 212 = 70700341 is a prime.

It is a super-2 number, since 2×707044372 = 9998234822973938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70704457) 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, 64262 + ... + 65352.

It is an arithmetic number, because the mean of its divisors is an integer number (8916180).

Almost surely, 270704437 is an apocalyptic number.

It is an amenable number.

70704437 is a deficient number, since it is larger than the sum of its proper divisors (625003).

70704437 is a wasteful number, since it uses less digits than its factorization.

70704437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70704437 is about 8408.5930452127. The cubic root of 70704437 is about 413.5063877476.

The spelling of 70704437 in words is "seventy million, seven hundred four thousand, four hundred thirty-seven".

Divisors: 1 229 283 1091 64807 249839 308753 70704437