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74070433 = 149497117
BaseRepresentation
bin1000110101000…
…11100110100001
312011101011112101
410122203212201
5122430223213
611203330401
71556405533
oct432434641
9164334471
1074070433
11388a1238
1220980a01
1312465478
149ba1853
156781bdd
hex46a39a1

74070433 has 4 divisors (see below), whose sum is σ = 74567700. Its totient is φ = 73573168.

The previous prime is 74070431. The next prime is 74070463. The reversal of 74070433 is 33407047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33407047 = 67349639.

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 71436304 = 1623^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 74070433 - 21 = 74070431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74070431) 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, 248410 + ... + 248707.

It is an arithmetic number, because the mean of its divisors is an integer number (18641925).

Almost surely, 274070433 is an apocalyptic number.

It is an amenable number.

74070433 is a deficient number, since it is larger than the sum of its proper divisors (497267).

74070433 is a wasteful number, since it uses less digits than its factorization.

74070433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497266.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74070433 is about 8606.4181283505. The cubic root of 74070433 is about 419.9668019867.

The spelling of 74070433 in words is "seventy-four million, seventy thousand, four hundred thirty-three".

Divisors: 1 149 497117 74070433