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74404319 = 1143157303
BaseRepresentation
bin1000110111101…
…01000111011111
312012000010112112
410123311013133
5123021414234
611214424235
71562266133
oct433650737
9165003475
1074404319
1138aaa080
1220b0207b
1312551432
149c4b3c3
1567eaace
hex46f51df

74404319 has 8 divisors (see below), whose sum is σ = 83056512. Its totient is φ = 66066840.

The previous prime is 74404279. The next prime is 74404321. The reversal of 74404319 is 91340447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74404319 - 212 = 74400223 is a prime.

It is a super-2 number, since 2×744043192 = 11072005371707522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78179 + ... + 79124.

It is an arithmetic number, because the mean of its divisors is an integer number (10382064).

Almost surely, 274404319 is an apocalyptic number.

74404319 is a deficient number, since it is larger than the sum of its proper divisors (8652193).

74404319 is a wasteful number, since it uses less digits than its factorization.

74404319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157357.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 74404319 is about 8625.7938185422. The cubic root of 74404319 is about 420.5968818777.

The spelling of 74404319 in words is "seventy-four million, four hundred four thousand, three hundred nineteen".

Divisors: 1 11 43 473 157303 1730333 6764029 74404319