Search a number
-
+
74089437 = 347525457
BaseRepresentation
bin1000110101010…
…00001111011101
312011102010121020
410122220033131
5122431330222
611203554353
71556515122
oct432501735
9164363536
1074089437
1138904544
122098b9b9
1312471006
149ba8749
15678765c
hex46a83dd

74089437 has 8 divisors (see below), whose sum is σ = 100887936. Its totient is φ = 48341952.

The previous prime is 74089397. The next prime is 74089453. The reversal of 74089437 is 73498047.

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

It is not a de Polignac number, because 74089437 - 28 = 74089181 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74089487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262588 + ... + 262869.

It is an arithmetic number, because the mean of its divisors is an integer number (12610992).

Almost surely, 274089437 is an apocalyptic number.

It is an amenable number.

74089437 is a deficient number, since it is larger than the sum of its proper divisors (26798499).

74089437 is a wasteful number, since it uses less digits than its factorization.

74089437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525507.

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

The square root of 74089437 is about 8607.5221173111. The cubic root of 74089437 is about 420.0027154019.

The spelling of 74089437 in words is "seventy-four million, eighty-nine thousand, four hundred thirty-seven".

Divisors: 1 3 47 141 525457 1576371 24696479 74089437