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74049387 = 324683129
BaseRepresentation
bin1000110100111…
…10011101101011
312011100002122220
410122132131223
5122424040022
611203045123
71556260266
oct432363553
9164302586
1074049387
1138887445
12209707a3
1312458a09
149b97cdd
15677a85c
hex469e76b

74049387 has 4 divisors (see below), whose sum is σ = 98732520. Its totient is φ = 49366256.

The previous prime is 74049377. The next prime is 74049389. The reversal of 74049387 is 78394047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74049387 - 26 = 74049323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74049389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12341562 + ... + 12341567.

It is an arithmetic number, because the mean of its divisors is an integer number (24683130).

Almost surely, 274049387 is an apocalyptic number.

74049387 is a deficient number, since it is larger than the sum of its proper divisors (24683133).

74049387 is a wasteful number, since it uses less digits than its factorization.

74049387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24683132.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74049387 is about 8605.1953493224. The cubic root of 74049387 is about 419.9270224678.

The spelling of 74049387 in words is "seventy-four million, forty-nine thousand, three hundred eighty-seven".

Divisors: 1 3 24683129 74049387