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70712401 = 174159553
BaseRepresentation
bin1000011011011…
…11110001010001
311221001120011211
410031233301101
5121100244101
611003340121
71516021414
oct415576121
9157046154
1070712401
1136a08301
121b821641
131185ab76
149569b7b
15631bc51
hex436fc51

70712401 has 4 divisors (see below), whose sum is σ = 74871972. Its totient is φ = 66552832.

The previous prime is 70712377. The next prime is 70712429. The reversal of 70712401 is 10421707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49561600 + 21150801 = 7040^2 + 4599^2 .

It is a cyclic number.

It is not a de Polignac number, because 70712401 - 27 = 70712273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70712101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079760 + ... + 2079793.

It is an arithmetic number, because the mean of its divisors is an integer number (18717993).

Almost surely, 270712401 is an apocalyptic number.

It is an amenable number.

70712401 is a deficient number, since it is larger than the sum of its proper divisors (4159571).

70712401 is a wasteful number, since it uses less digits than its factorization.

70712401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159570.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70712401 is about 8409.0665950508. The cubic root of 70712401 is about 413.5219126631.

The spelling of 70712401 in words is "seventy million, seven hundred twelve thousand, four hundred one".

Divisors: 1 17 4159553 70712401