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70749685 = 530746091
BaseRepresentation
bin1000011011110…
…00110111110101
311221010110022201
410031320313311
5121102442220
611004224501
71516235206
oct415706765
9157113281
1070749685
1136a33316
121b83b131
1311871b26
1495795ad
156327d0a
hex4378df5

70749685 has 8 divisors (see below), whose sum is σ = 85178016. Its totient is φ = 56414160.

The previous prime is 70749671. The next prime is 70749697. The reversal of 70749685 is 58694707.

It is a happy number.

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

It is not a de Polignac number, because 70749685 - 221 = 68652533 is a prime.

It is a Duffinian number.

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, 21511 + ... + 24580.

It is an arithmetic number, because the mean of its divisors is an integer number (10647252).

Almost surely, 270749685 is an apocalyptic number.

It is an amenable number.

70749685 is a deficient number, since it is larger than the sum of its proper divisors (14428331).

70749685 is a wasteful number, since it uses less digits than its factorization.

70749685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46403.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 70749685 is about 8411.2831958031. The cubic root of 70749685 is about 413.5945780977.

The spelling of 70749685 in words is "seventy million, seven hundred forty-nine thousand, six hundred eighty-five".

Divisors: 1 5 307 1535 46091 230455 14149937 70749685