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71742995 = 536739097
BaseRepresentation
bin1000100011010…
…11011000010011
311222222220212222
410101223120103
5121331233440
611041411255
71530543152
oct421533023
9158886788
1071742995
1137551635
1220039b2b
1311b2bc9c
149757599
1564722b5
hex446b613

71742995 has 8 divisors (see below), whose sum is σ = 86328384. Its totient is φ = 57236544.

The previous prime is 71742977. The next prime is 71743019. The reversal of 71742995 is 59924717.

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 71742995 - 28 = 71742739 is a prime.

It is a Duffinian 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, 17714 + ... + 21383.

It is an arithmetic number, because the mean of its divisors is an integer number (10791048).

Almost surely, 271742995 is an apocalyptic number.

71742995 is a deficient number, since it is larger than the sum of its proper divisors (14585389).

71742995 is a wasteful number, since it uses less digits than its factorization.

71742995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39469.

The product of its digits is 158760, while the sum is 44.

The square root of 71742995 is about 8470.1236708799. The cubic root of 71742995 is about 415.5211819390.

The spelling of 71742995 in words is "seventy-one million, seven hundred forty-two thousand, nine hundred ninety-five".

Divisors: 1 5 367 1835 39097 195485 14348599 71742995