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74652961 is a prime number
BaseRepresentation
bin1000111001100…
…01110100100001
312012110202121111
410130301310201
5123102343321
611224023321
71564353055
oct434616441
9165422544
1074652961
1139159969
1221001b41
131260a666
149cb3c65
1568495e1
hex4731d21

74652961 has 2 divisors, whose sum is σ = 74652962. Its totient is φ = 74652960.

The previous prime is 74652947. The next prime is 74652971. The reversal of 74652961 is 16925647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 17272336 = 7575^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 74652961 - 27 = 74652833 is a prime.

It is not a weakly prime, because it can be changed into another prime (74652911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37326480 + 37326481.

It is an arithmetic number, because the mean of its divisors is an integer number (37326481).

Almost surely, 274652961 is an apocalyptic number.

It is an amenable number.

74652961 is a deficient number, since it is larger than the sum of its proper divisors (1).

74652961 is an equidigital number, since it uses as much as digits as its factorization.

74652961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 74652961 is about 8640.1945001256. The cubic root of 74652961 is about 421.0648734102.

The spelling of 74652961 in words is "seventy-four million, six hundred fifty-two thousand, nine hundred sixty-one".