Search a number
-
+
74057807 is a prime number
BaseRepresentation
bin1000110101000…
…00100001001111
312011100112012202
410122200201033
5122424322212
611203152115
71556323655
oct432404117
9164315182
1074057807
11388927aa
122097563b
131245c7b5
149b9add5
15677d0c2
hex46a084f

74057807 has 2 divisors, whose sum is σ = 74057808. Its totient is φ = 74057806.

The previous prime is 74057777. The next prime is 74057821. The reversal of 74057807 is 70875047.

It is a strong prime.

It is an emirp because it is prime and its reverse (70875047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74057807 - 212 = 74053711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74057897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37028903 + 37028904.

It is an arithmetic number, because the mean of its divisors is an integer number (37028904).

Almost surely, 274057807 is an apocalyptic number.

74057807 is a deficient number, since it is larger than the sum of its proper divisors (1).

74057807 is an equidigital number, since it uses as much as digits as its factorization.

74057807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 74057807 is about 8605.6845747448. The cubic root of 74057807 is about 419.9429382040.

The spelling of 74057807 in words is "seventy-four million, fifty-seven thousand, eight hundred seven".