Search a number
-
+
74919371 is a prime number
BaseRepresentation
bin1000111011100…
…10110111001011
312012222022001112
410131302313023
5123134404441
611233440535
71566542552
oct435626713
9165868045
1074919371
113932103a
122111014b
13126a19b7
149d42d99
15689d4eb
hex4772dcb

74919371 has 2 divisors, whose sum is σ = 74919372. Its totient is φ = 74919370.

The previous prime is 74919353. The next prime is 74919379. The reversal of 74919371 is 17391947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74919371 - 214 = 74902987 is a prime.

It is a super-2 number, since 2×749193712 = 11225824302071282, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (74919379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37459685 + 37459686.

It is an arithmetic number, because the mean of its divisors is an integer number (37459686).

Almost surely, 274919371 is an apocalyptic number.

74919371 is a deficient number, since it is larger than the sum of its proper divisors (1).

74919371 is an equidigital number, since it uses as much as digits as its factorization.

74919371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 74919371 is about 8655.5976685611. The cubic root of 74919371 is about 421.5651559472.

The spelling of 74919371 in words is "seventy-four million, nine hundred nineteen thousand, three hundred seventy-one".