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70407373 = 415332401
BaseRepresentation
bin1000011001001…
…01010011001101
311220111001202111
410030211103031
5121011013443
610553024021
71513311211
oct414452315
9156431674
1070407373
113681a113
121b6b5011
131178208a
1494ca941
1562ab69d
hex43254cd

70407373 has 8 divisors (see below), whose sum is σ = 73487736. Its totient is φ = 67392000.

The previous prime is 70407349. The next prime is 70407377. The reversal of 70407373 is 37370407.

It can be written as a sum of positive squares in 4 ways, for example, as 23251684 + 47155689 = 4822^2 + 6867^2 .

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 70407373 - 217 = 70276301 is a prime.

It is a super-2 number, since 2×704073732 = 9914396345522258, 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 (70407377) 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, 14028 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (9185967).

Almost surely, 270407373 is an apocalyptic number.

It is an amenable number.

70407373 is a deficient number, since it is larger than the sum of its proper divisors (3080363).

70407373 is a wasteful number, since it uses less digits than its factorization.

70407373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32495.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 70407373 is about 8390.9101413375. The cubic root of 70407373 is about 412.9264604545.

The spelling of 70407373 in words is "seventy million, four hundred seven thousand, three hundred seventy-three".

Divisors: 1 41 53 2173 32401 1328441 1717253 70407373