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74064931 = 1033592003
BaseRepresentation
bin1000110101000…
…10010000100011
312011100212222121
410122202100203
5122430034211
611203245111
71556353513
oct432422043
9164325877
1074064931
1138898096
1220979797
1312462b05
149b9d843
156780271
hex46a2423

74064931 has 8 divisors (see below), whose sum is σ = 75029760. Its totient is φ = 73105032.

The previous prime is 74064929. The next prime is 74064973. The reversal of 74064931 is 13946047.

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 74064931 - 21 = 74064929 is a prime.

It is a super-2 number, since 2×740649312 = 10971228008069522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74065931) 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, 35976 + ... + 37978.

It is an arithmetic number, because the mean of its divisors is an integer number (9378720).

Almost surely, 274064931 is an apocalyptic number.

74064931 is a deficient number, since it is larger than the sum of its proper divisors (964829).

74064931 is a wasteful number, since it uses less digits than its factorization.

74064931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74064931 is about 8606.0984772428. The cubic root of 74064931 is about 419.9564032601.

The spelling of 74064931 in words is "seventy-four million, sixty-four thousand, nine hundred thirty-one".

Divisors: 1 103 359 2003 36977 206309 719077 74064931