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74464457 is a prime number
BaseRepresentation
bin1000111000000…
…11110011001001
312012010012000212
410130003303021
5123030330312
611220010505
71562636354
oct434036311
9165105025
1074464457
1139040281
1220b30a35
1312572912
149c6529b
15680d822
hex4703cc9

74464457 has 2 divisors, whose sum is σ = 74464458. Its totient is φ = 74464456.

The previous prime is 74464451. The next prime is 74464463. The reversal of 74464457 is 75446447.

It is a balanced prime because it is at equal distance from previous prime (74464451) and next prime (74464463).

It can be written as a sum of positive squares in only one way, i.e., 42981136 + 31483321 = 6556^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 74464457 - 216 = 74398921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74464451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37232228 + 37232229.

It is an arithmetic number, because the mean of its divisors is an integer number (37232229).

Almost surely, 274464457 is an apocalyptic number.

It is an amenable number.

74464457 is a deficient number, since it is larger than the sum of its proper divisors (1).

74464457 is an equidigital number, since it uses as much as digits as its factorization.

74464457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 41.

The square root of 74464457 is about 8629.2790544749. The cubic root of 74464457 is about 420.7101685078.

The spelling of 74464457 in words is "seventy-four million, four hundred sixty-four thousand, four hundred fifty-seven".