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74761069 is a prime number
BaseRepresentation
bin1000111010011…
…00001101101101
312012200020220111
410131030031231
5123114323234
611230220021
71565313205
oct435141555
9165606814
1074761069
1139223109
1221054611
1312647926
149d01405
15686b664
hex474c36d

74761069 has 2 divisors, whose sum is σ = 74761070. Its totient is φ = 74761068.

The previous prime is 74761039. The next prime is 74761117. The reversal of 74761069 is 96016747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 35259844 = 6285^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 74761069 - 221 = 72663917 is a prime.

It is a super-2 number, since 2×747610692 = 11178434876045522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74761009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37380534 + 37380535.

It is an arithmetic number, because the mean of its divisors is an integer number (37380535).

Almost surely, 274761069 is an apocalyptic number.

It is an amenable number.

74761069 is a deficient number, since it is larger than the sum of its proper divisors (1).

74761069 is an equidigital number, since it uses as much as digits as its factorization.

74761069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 74761069 is about 8646.4483459973. The cubic root of 74761069 is about 421.2680291191.

It can be divided in two parts, 747 and 61069, that added together give a palindrome (61816).

The spelling of 74761069 in words is "seventy-four million, seven hundred sixty-one thousand, sixty-nine".