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74896949 is a prime number
BaseRepresentation
bin1000111011011…
…01011000110101
312012221011022002
410131231120311
5123133200244
611233145045
71566420311
oct435553065
9165834262
1074896949
1139306206
12210bb185
131269472a
149d38b41
156896a4e
hex476d635

74896949 has 2 divisors, whose sum is σ = 74896950. Its totient is φ = 74896948.

The previous prime is 74896933. The next prime is 74896967. The reversal of 74896949 is 94969847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 36084049 = 6230^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 74896949 - 24 = 74896933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74896894 and 74896903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74896979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37448474 + 37448475.

It is an arithmetic number, because the mean of its divisors is an integer number (37448475).

Almost surely, 274896949 is an apocalyptic number.

It is an amenable number.

74896949 is a deficient number, since it is larger than the sum of its proper divisors (1).

74896949 is an equidigital number, since it uses as much as digits as its factorization.

74896949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 74896949 is about 8654.3023404547. The cubic root of 74896949 is about 421.5230961660.

The spelling of 74896949 in words is "seventy-four million, eight hundred ninety-six thousand, nine hundred forty-nine".